/home/mrjunejune/zenbu: markdown_converter/wasm/markdown_to_html

annotate markdown_converter/wasm/markdown_to_html_wasm.c @ 157:2db6253f355d

[ThirdParty] Added highlight library for better readability on blog.

author	June Park <parkjune1995@gmail.com>
date	Tue, 13 Jan 2026 19:18:47 -0800
parents	cd35e600ae34
children

rev	line source
156 cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	1 /**
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	2 * Markdown to HTML Converter - Standalone WASM Implementation
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	3 * No libc dependencies - can be compiled with: clang --target=wasm32
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	4 */
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	5
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	6 #define WASM_EXPORT __attribute__((visibility("default")))
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	7
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	8 typedef unsigned long size_t;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	9 typedef int int32_t;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	10
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	11 // Simple bump allocator for WASM
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	12 #define HEAP_SIZE (1024 * 1024) // 1MB heap
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	13 static char heap[HEAP_SIZE];
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	14 static size_t heap_offset = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	15
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	16 WASM_EXPORT void *malloc(size_t size)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	17 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	18 // Align to 8 bytes
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	19 size_t aligned_offset = (heap_offset + 7) & ~7;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	20 if (aligned_offset + size > HEAP_SIZE) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	21
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	22 void *ptr = &heap[aligned_offset];
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	23 heap_offset = aligned_offset + size;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	24 return ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	25 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	26
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	27 WASM_EXPORT void free(void *ptr)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	28 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	29 // Simple bump allocator - no actual free
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	30 (void)ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	31 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	32
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	33 WASM_EXPORT void heap_reset(void)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	34 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	35 heap_offset = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	36 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	37
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	38 // String functions
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	39 static size_t strlen(const char *s)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	40 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	41 size_t len = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	42 while (s[len]) len++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	43 return len;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	44 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	45
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	46 static void memcpy(void dest, const void *src, size_t n)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	47 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	48 char d = (char )dest;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	49 const char s = (const char )src;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	50 while (n--) d++ = s++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	51 return dest;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	52 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	53
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	54 static int isspace_c(int c)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	55 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	56 return c == ' ' \|\| c == '\t' \|\| c == '\n' \|\| c == '\r' \|\| c == '\f' \|\| c == '\v';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	57 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	58
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	59 static int isdigit_c(int c)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	60 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	61 return c >= '0' && c <= '9';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	62 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	63
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	64 // String buffer for building HTML output
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	65 typedef struct {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	66 char *data;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	67 size_t length;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	68 size_t capacity;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	69 } StringBuffer;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	70
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	71 static StringBuffer *buffer_create(size_t initial_capacity)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	72 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	73 StringBuffer buf = (StringBuffer )malloc(sizeof(StringBuffer));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	74 if (!buf) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	75
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	76 buf->data = (char *)malloc(initial_capacity);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	77 if (!buf->data) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	78
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	79 buf->data[0] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	80 buf->length = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	81 buf->capacity = initial_capacity;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	82 return buf;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	83 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	84
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	85 static void buffer_grow(StringBuffer *buf, size_t needed)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	86 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	87 if (buf->length + needed + 1 > buf->capacity) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	88 size_t new_capacity = buf->capacity * 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	89 while (new_capacity < buf->length + needed + 1)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	90 new_capacity *= 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	91
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	92 char new_data = (char )malloc(new_capacity);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	93 if (new_data) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	94 memcpy(new_data, buf->data, buf->length + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	95 buf->data = new_data;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	96 buf->capacity = new_capacity;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	97 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	98 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	99 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	100
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	101 static void buffer_append(StringBuffer buf, const char str)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	102 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	103 size_t len = strlen(str);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	104 buffer_grow(buf, len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	105 memcpy(buf->data + buf->length, str, len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	106 buf->length += len;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	107 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	108
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	109 static void buffer_append_n(StringBuffer buf, const char str, size_t n)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	110 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	111 buffer_grow(buf, n);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	112 memcpy(buf->data + buf->length, str, n);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	113 buf->length += n;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	114 buf->data[buf->length] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	115 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	116
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	117 static void buffer_append_char(StringBuffer *buf, char c)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	118 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	119 buffer_grow(buf, 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	120 buf->data[buf->length++] = c;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	121 buf->data[buf->length] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	122 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	123
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	124 // Check if line starts with pattern (after trimming whitespace)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	125 static int starts_with(const char line, const char pattern)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	126 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	127 while (line && isspace_c(line)) line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	128 size_t plen = strlen(pattern);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	129 for (size_t i = 0; i < plen; i++) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	130 if (line[i] != pattern[i]) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	131 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	132 return 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	133 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	134
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	135 // Count leading # characters
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	136 static int count_heading_level(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	137 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	138 int count = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	139 while (line && isspace_c(line)) line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	140 while (line[count] == '#' && count < 6) count++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	141 if (count > 0 && line[count] == ' ') return count;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	142 return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	143 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	144
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	145 // Skip whitespace
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	146 static const char skip_whitespace(const char str)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	147 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	148 while (str && isspace_c(str)) str++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	149 return str;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	150 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	151
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	152 // Check if line is empty
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	153 static int is_empty_line(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	154 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	155 while (*line) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	156 if (!isspace_c(*line)) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	157 line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	158 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	159 return 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	160 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	161
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	162 // Check if line is horizontal rule
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	163 static int is_horizontal_rule(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	164 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	165 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	166 char first = *line;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	167 if (first != '-' && first != '*' && first != '_') return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	168
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	169 int count = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	170 while (*line) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	171 if (*line == first) count++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	172 else if (!isspace_c(*line)) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	173 line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	174 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	175 return count >= 3;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	176 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	177
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	178 // Check if line is unordered list item
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	179 static int is_unordered_list(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	180 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	181 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	182 return (line == '-' \|\| line == '' \|\| line == '+') && line[1] == ' ';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	183 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	184
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	185 // Check if line is ordered list item
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	186 static int is_ordered_list(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	187 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	188 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	189 while (line && isdigit_c(line)) line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	190 return *line == '.' && line[1] == ' ';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	191 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	192
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	193 // Check if line is a table row (starts with \|)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	194 static int is_table_row(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	195 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	196 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	197 return *line == '\|';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	198 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	199
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	200 // Check if line is a table separator row (\| --- \| --- \|)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	201 static int is_table_separator(const char *line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	202 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	203 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	204 if (*line != '\|') return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	205 line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	206
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	207 int has_dash = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	208 while (*line) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	209 if (*line == '-') has_dash = 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	210 else if (line == '\|' \|\| line == ':' \|\| isspace_c(line)) { / ok */ }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	211 else return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	212 line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	213 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	214 return has_dash;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	215 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	216
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	217 // Forward declaration for process_inline
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	218 static void process_inline(StringBuffer buf, const char text, size_t len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	219
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	220 // Parse table cells from a row and append to buffer
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	221 static void parse_table_row(StringBuffer buf, const char line, int is_header)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	222 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	223 const char *cell_tag = is_header ? "th" : "td";
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	224
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	225 buffer_append(buf, "<tr>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	226
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	227 line = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	228 if (*line == '\|') line++; // Skip leading \|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	229
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	230 while (*line) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	231 // Skip whitespace before cell content
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	232 while (line && isspace_c(line)) line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	233
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	234 // Find cell end (next \| or end of line)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	235 const char *cell_start = line;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	236 while (line && line != '\|') line++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	237
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	238 // Trim trailing whitespace from cell
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	239 const char *cell_end = line;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	240 while (cell_end > cell_start && isspace_c(*(cell_end - 1))) cell_end--;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	241
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	242 size_t cell_len = cell_end - cell_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	243
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	244 // Only output cell if we have content or more cells coming
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	245 if (cell_len > 0 \|\| *line == '\|') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	246 buffer_append(buf, "<");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	247 buffer_append(buf, cell_tag);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	248 buffer_append(buf, ">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	249 if (cell_len > 0) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	250 process_inline(buf, cell_start, cell_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	251 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	252 buffer_append(buf, "</");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	253 buffer_append(buf, cell_tag);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	254 buffer_append(buf, ">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	255 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	256
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	257 if (*line == '\|') line++; // Skip \|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	258
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	259 // Check if this was the trailing \|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	260 const char *rest = line;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	261 while (rest && isspace_c(rest)) rest++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	262 if (!*rest) break; // End of line after trailing \|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	263 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	264
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	265 buffer_append(buf, "</tr>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	266 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	267
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	268 // Process inline markdown
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	269 static void process_inline(StringBuffer buf, const char text, size_t len)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	270 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	271 size_t i = 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	272
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	273 while (i < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	274 // Links: [text](url)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	275 if (text[i] == '[') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	276 size_t link_start = i + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	277 size_t link_end = link_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	278 while (link_end < len && text[link_end] != ']') link_end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	279
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	280 if (link_end < len && link_end + 1 < len && text[link_end + 1] == '(') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	281 size_t url_start = link_end + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	282 size_t url_end = url_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	283 while (url_end < len && text[url_end] != ')') url_end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	284
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	285 if (url_end < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	286 buffer_append(buf, "<a href=\"");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	287 buffer_append_n(buf, text + url_start, url_end - url_start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	288 buffer_append(buf, "\">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	289 buffer_append_n(buf, text + link_start, link_end - link_start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	290 buffer_append(buf, "</a>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	291 i = url_end + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	292 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	293 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	294 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	295 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	296
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	297 // Images: ![alt](url)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	298 if (text[i] == '!' && i + 1 < len && text[i + 1] == '[') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	299 size_t alt_start = i + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	300 size_t alt_end = alt_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	301 while (alt_end < len && text[alt_end] != ']') alt_end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	302
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	303 if (alt_end < len && alt_end + 1 < len && text[alt_end + 1] == '(') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	304 size_t url_start = alt_end + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	305 size_t url_end = url_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	306 while (url_end < len && text[url_end] != ')') url_end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	307
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	308 if (url_end < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	309 buffer_append(buf, "<img src=\"");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	310 buffer_append_n(buf, text + url_start, url_end - url_start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	311 buffer_append(buf, "\" alt=\"");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	312 buffer_append_n(buf, text + alt_start, alt_end - alt_start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	313 buffer_append(buf, "\">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	314 i = url_end + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	315 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	316 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	317 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	318 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	319
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	320 // Bold: text or __text__
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	321 if ((text[i] == '' && i + 1 < len && text[i + 1] == '') \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	322 (text[i] == '_' && i + 1 < len && text[i + 1] == '_')) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	323 char marker = text[i];
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	324 size_t start = i + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	325 size_t end = start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	326 while (end + 1 < len && !(text[end] == marker && text[end + 1] == marker)) end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	327
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	328 if (end + 1 < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	329 buffer_append(buf, "<strong>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	330 process_inline(buf, text + start, end - start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	331 buffer_append(buf, "</strong>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	332 i = end + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	333 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	334 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	335 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	336
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	337 // Strikethrough: ~~text~~
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	338 if (text[i] == '~' && i + 1 < len && text[i + 1] == '~') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	339 size_t start = i + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	340 size_t end = start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	341 while (end + 1 < len && !(text[end] == '~' && text[end + 1] == '~')) end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	342
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	343 if (end + 1 < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	344 buffer_append(buf, "<del>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	345 process_inline(buf, text + start, end - start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	346 buffer_append(buf, "</del>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	347 i = end + 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	348 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	349 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	350 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	351
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	352 // Italic: text or _text_
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	353 if ((text[i] == '*' \|\| text[i] == '_') && i + 1 < len && !isspace_c(text[i + 1])) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	354 char marker = text[i];
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	355 size_t start = i + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	356 size_t end = start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	357 while (end < len && text[end] != marker) end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	358
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	359 if (end < len && end > start) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	360 buffer_append(buf, "<em>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	361 process_inline(buf, text + start, end - start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	362 buffer_append(buf, "</em>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	363 i = end + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	364 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	365 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	366 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	367
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	368 // Inline code: `code`
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	369 if (text[i] == '`') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	370 size_t start = i + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	371 size_t end = start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	372 while (end < len && text[end] != '`') end++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	373
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	374 if (end < len) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	375 buffer_append(buf, "<code>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	376 buffer_append_n(buf, text + start, end - start);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	377 buffer_append(buf, "</code>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	378 i = end + 1;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	379 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	380 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	381 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	382
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	383 // HTML escape
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	384 if (text[i] == '<') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	385 buffer_append(buf, "<");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	386 } else if (text[i] == '>') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	387 buffer_append(buf, ">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	388 } else if (text[i] == '&') {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	389 buffer_append(buf, "&");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	390 } else {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	391 buffer_append_char(buf, text[i]);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	392 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	393 i++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	394 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	395 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	396
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	397 // Append heading tag
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	398 static void append_heading_tag(StringBuffer *buf, int level, int closing)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	399 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	400 buffer_append_char(buf, '<');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	401 if (closing) buffer_append_char(buf, '/');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	402 buffer_append_char(buf, 'h');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	403 buffer_append_char(buf, '0' + level);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	404 buffer_append_char(buf, '>');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	405 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	406
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	407 // Convert markdown to HTML
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	408 WASM_EXPORT char markdown_to_html(const char markdown)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	409 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	410 if (!markdown) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	411
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	412 StringBuffer *buf = buffer_create(4096);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	413 if (!buf) return 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	414
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	415 const char *ptr = markdown;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	416 const char *line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	417
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	418 while (*ptr) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	419 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	420
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	421 // Find end of line
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	422 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	423 size_t line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	424
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	425 // Create line copy
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	426 char line = (char )malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	427 if (!line) return buf->data;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	428 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	429 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	430
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	431 // Skip empty lines
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	432 if (is_empty_line(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	433 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	434 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	435 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	436
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	437 // Headings
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	438 int heading_level = count_heading_level(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	439 if (heading_level > 0) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	440 const char *content = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	441 while (*content == '#') content++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	442 content = skip_whitespace(content);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	443
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	444 append_heading_tag(buf, heading_level, 0);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	445 process_inline(buf, content, strlen(content));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	446 append_heading_tag(buf, heading_level, 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	447
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	448 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	449 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	450 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	451
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	452 // Code block
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	453 if (starts_with(line, "```")) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	454 buffer_append(buf, "<pre><code>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	455 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	456
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	457 while (*ptr) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	458 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	459 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	460 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	461
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	462 char code_line = (char )malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	463 if (!code_line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	464 memcpy(code_line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	465 code_line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	466
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	467 if (starts_with(code_line, "```")) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	468 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	469 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	470 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	471
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	472 for (size_t i = 0; i < line_len; i++) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	473 if (code_line[i] == '<') buffer_append(buf, "<");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	474 else if (code_line[i] == '>') buffer_append(buf, ">");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	475 else if (code_line[i] == '&') buffer_append(buf, "&");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	476 else buffer_append_char(buf, code_line[i]);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	477 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	478 buffer_append_char(buf, '\n');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	479
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	480 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	481 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	482
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	483 buffer_append(buf, "</code></pre>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	484 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	485 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	486
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	487 // Blockquote
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	488 if (starts_with(line, ">")) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	489 buffer_append(buf, "<blockquote>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	490
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	491 while (1) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	492 const char *content = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	493 if (*content == '>') content++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	494 content = skip_whitespace(content);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	495 process_inline(buf, content, strlen(content));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	496 buffer_append_char(buf, ' ');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	497
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	498 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	499 if (!*ptr) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	500
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	501 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	502 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	503 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	504
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	505 line = (char *)malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	506 if (!line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	507 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	508 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	509
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	510 if (!starts_with(line, ">")) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	511 ptr = line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	512 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	513 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	514 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	515
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	516 buffer_append(buf, "</blockquote>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	517 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	518 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	519
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	520 // Horizontal rule
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	521 if (is_horizontal_rule(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	522 buffer_append(buf, "<hr>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	523 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	524 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	525 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	526
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	527 // Unordered list
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	528 if (is_unordered_list(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	529 buffer_append(buf, "<ul>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	530
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	531 while (1) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	532 const char *content = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	533 content += 2;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	534
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	535 buffer_append(buf, "<li>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	536 process_inline(buf, content, strlen(content));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	537 buffer_append(buf, "</li>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	538
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	539 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	540 if (!*ptr) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	541
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	542 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	543 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	544 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	545
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	546 line = (char *)malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	547 if (!line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	548 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	549 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	550
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	551 if (!is_unordered_list(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	552 ptr = line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	553 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	554 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	555 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	556
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	557 buffer_append(buf, "</ul>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	558 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	559 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	560
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	561 // Ordered list
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	562 if (is_ordered_list(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	563 buffer_append(buf, "<ol>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	564
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	565 while (1) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	566 const char *content = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	567 while (content && isdigit_c(content)) content++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	568 if (*content == '.') content++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	569 content = skip_whitespace(content);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	570
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	571 buffer_append(buf, "<li>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	572 process_inline(buf, content, strlen(content));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	573 buffer_append(buf, "</li>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	574
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	575 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	576 if (!*ptr) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	577
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	578 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	579 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	580 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	581
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	582 line = (char *)malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	583 if (!line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	584 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	585 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	586
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	587 if (!is_ordered_list(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	588 ptr = line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	589 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	590 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	591 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	592
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	593 buffer_append(buf, "</ol>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	594 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	595 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	596
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	597 // Table
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	598 if (is_table_row(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	599 // Check if next line is a separator (to confirm this is a table)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	600 const char *peek_ptr = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	601 if (*peek_ptr == '\n') peek_ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	602
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	603 const char *next_line_start = peek_ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	604 while (peek_ptr && peek_ptr != '\n') peek_ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	605 size_t next_line_len = peek_ptr - next_line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	606
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	607 char next_line = (char )malloc(next_line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	608 if (next_line) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	609 memcpy(next_line, next_line_start, next_line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	610 next_line[next_line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	611
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	612 if (is_table_separator(next_line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	613 // It's a valid table
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	614 buffer_append(buf, "<table>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	615
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	616 // Header row
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	617 buffer_append(buf, "<thead>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	618 parse_table_row(buf, line, 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	619 buffer_append(buf, "</thead>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	620
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	621 // Skip to after separator
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	622 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	623 ptr = peek_ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	624 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	625
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	626 // Body rows
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	627 buffer_append(buf, "<tbody>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	628 while (*ptr) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	629 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	630 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	631 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	632
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	633 line = (char *)malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	634 if (!line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	635 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	636 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	637
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	638 if (!is_table_row(line) \|\| is_empty_line(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	639 ptr = line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	640 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	641 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	642
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	643 parse_table_row(buf, line, 0);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	644 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	645 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	646 buffer_append(buf, "</tbody>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	647
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	648 buffer_append(buf, "</table>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	649 continue;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	650 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	651 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	652 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	653
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	654 // Paragraph
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	655 buffer_append(buf, "<p>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	656
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	657 while (1) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	658 const char *content = skip_whitespace(line);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	659 process_inline(buf, content, strlen(content));
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	660
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	661 if (*ptr == '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	662 if (!*ptr) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	663
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	664 line_start = ptr;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	665 while (ptr && ptr != '\n') ptr++;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	666 line_len = ptr - line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	667
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	668 line = (char *)malloc(line_len + 1);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	669 if (!line) break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	670 memcpy(line, line_start, line_len);
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	671 line[line_len] = '\0';
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	672
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	673 if (is_empty_line(line) \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	674 count_heading_level(line) > 0 \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	675 starts_with(line, "```") \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	676 starts_with(line, ">") \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	677 is_horizontal_rule(line) \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	678 is_unordered_list(line) \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	679 is_ordered_list(line) \|\|
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	680 is_table_row(line)) {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	681 ptr = line_start;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	682 break;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	683 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	684
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	685 buffer_append_char(buf, ' ');
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	686 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	687
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	688 buffer_append(buf, "</p>");
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	689 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	690
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	691 return buf->data;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	692 }
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	693
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	694 // Get string length (for JS interop)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	695 WASM_EXPORT size_t markdown_strlen(const char *str)
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	696 {
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	697 return str ? strlen(str) : 0;
cd35e600ae34 [MarkDown Converter] Fixed few things and made a test June Park <parkjune1995@gmail.com> parents: diff changeset	698 }

Mercurial

annotate markdown_converter/wasm/markdown_to_html_wasm.c @ 157:2db6253f355d