rearrange functions
Added alternative notation of headings
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gottox@rootkit.lan
parent
bd936e513c
commit
597bf0e64e
1 changed files with 77 additions and 62 deletions
139
cmarkdown.c
139
cmarkdown.c
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@ -22,29 +22,35 @@ struct Tag {
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void eprint(const char *format, ...); /* Prints error and exits */
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void hprint(const char *begin, const char *end); /* escapes HTML and prints it to stdout*/
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void process(const char *begin, const char *end);
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/* Processes range between begin and end with parser (NULL = all parsers) */
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unsigned int doreplace(const char *begin, const char *end);
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/* Parser for simple replaces */
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unsigned int dolineprefix(const char *begin, const char *end);
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/* Parser for line prefix tags */
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unsigned int dolink(const char *begin, const char *end);
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/* Parser for links and images */
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unsigned int doreplace(const char *begin, const char *end);
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/* Parser for simple replaces */
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unsigned int doshortlink(const char *begin, const char *end);
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/* Parser for links and images */
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unsigned int dosurround(const char *begin, const char *end);
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/* Parser for surrounding tags */
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unsigned int dounderline(const char *begin, const char *end);
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/* Parser for underline tags */
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unsigned int dolink(const char *begin, const char *end);
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/* Parser for links and images */
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unsigned int doshortlink(const char *begin, const char *end);
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/* Parser for links and images */
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Parser parsers[] = { dounderline, dolineprefix, dosurround, dolink, doshortlink, doreplace };
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/* list of parsers */
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void process(const char *begin, const char *end); /* Processes range between begin and end. */
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Parser parsers[] = { dounderline, dolineprefix, dosurround, dolist,
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dolink, doshortlink, doreplace }; /* list of parsers */
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FILE *source;
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unsigned int bsize = 0, nohtml = 0;
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struct Tag lineprefix[] = {
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{ " ", 0, "pre" },
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{ "\t", 0, "pre" },
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{ "> ", 1, "blockquote" },
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{ "####### ", 1, "h7" },
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{ "###### ", 1, "h6" },
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{ "##### ", 1, "h5" },
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{ "#### ", 1, "h4" },
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{ "### ", 1, "h3" },
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{ "## ", 1, "h2" },
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{ "# ", 1, "h1" },
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};
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struct Tag underline[] = {
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{ "=", 1, "h1" },
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@ -61,6 +67,13 @@ struct Tag surround[] = {
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char * replace[][2] = {
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{ "\n---\n", "\n<hr />\n" },
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{ "\n\n", "<br />\n<br />\n" },
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{ " #######\n", "\n" },
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{ " ######\n", "\n" },
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{ " #####\n", "\n" },
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{ " ####\n", "\n" },
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{ " ###\n", "\n" },
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{ " ##\n", "\n" },
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{ " #\n", "\n" },
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};
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void
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@ -86,6 +99,43 @@ hprint(const char *begin, const char *end) {
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}
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}
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unsigned int
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dolineprefix(const char *begin, const char *end) {
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unsigned int i, j, l;
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char *buffer;
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const char *p;
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if(*begin != '\n' && *begin != '\0')
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return 0;
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for(i = 0; i < LENGTH(lineprefix); i++) {
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l = strlen(lineprefix[i].search);
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if(end - begin+1 < l)
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continue;
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if(strncmp(lineprefix[i].search,begin+1,l))
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continue;
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if(!(buffer = malloc(end - begin+1)))
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ERRMALLOC;
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printf("<%s>",lineprefix[i].tag);
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for(p = begin, j = 0; p != end; p++, j++) {
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buffer[j] = *p;
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if(*p == '\n') {
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if(strncmp(lineprefix[i].search,p+1,l) != 0)
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break;
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p += l;
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}
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}
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if(lineprefix[i].process)
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process(buffer,buffer+strlen(buffer));
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else
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hprint(buffer,buffer+strlen(buffer));
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printf("</%s>",lineprefix[i].tag);
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free(buffer);
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return p - begin;
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}
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return 0;
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}
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unsigned int
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dolink(const char *begin, const char *end) {
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int img;
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@ -122,6 +172,23 @@ dolink(const char *begin, const char *end) {
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}
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return p + 1 - begin;
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}
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unsigned int
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doreplace(const char *begin, const char *end) {
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unsigned int i, l;
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for(i = 0; i < LENGTH(replace); i++) {
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l = strlen(replace[i][0]);
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if(end - begin < l)
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continue;
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if(strncmp(replace[i][0],begin,l) == 0) {
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fputs(replace[i][1], stdout);
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return l;
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}
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}
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return 0;
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}
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unsigned int
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doshortlink(const char *begin, const char *end) {
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const char *p, *c;
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@ -190,58 +257,6 @@ dosurround(const char *begin, const char *end) {
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}
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return 0;
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}
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unsigned int
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doreplace(const char *begin, const char *end) {
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unsigned int i, l;
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for(i = 0; i < LENGTH(replace); i++) {
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l = strlen(replace[i][0]);
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if(end - begin < l)
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continue;
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if(strncmp(replace[i][0],begin,l) == 0) {
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fputs(replace[i][1], stdout);
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return l;
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}
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}
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return 0;
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}
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unsigned int
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dolineprefix(const char *begin, const char *end) {
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unsigned int i, j, l;
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char *buffer;
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const char *p;
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if(*begin != '\n' && *begin != '\0')
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return 0;
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for(i = 0; i < LENGTH(lineprefix); i++) {
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l = strlen(lineprefix[i].search);
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if(end - begin+1 < l)
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continue;
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if(strncmp(lineprefix[i].search,begin+1,l))
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continue;
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if(!(buffer = malloc(end - begin+1)))
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ERRMALLOC;
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printf("<%s>",lineprefix[i].tag);
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for(p = begin, j = 0; p != end; p++, j++) {
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buffer[j] = *p;
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if(*p == '\n') {
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if(strncmp(lineprefix[i].search,p+1,l) != 0)
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break;
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p += l;
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}
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}
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if(lineprefix[i].process)
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process(buffer,buffer+strlen(buffer));
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else
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hprint(buffer,buffer+strlen(buffer));
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printf("</%s>",lineprefix[i].tag);
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free(buffer);
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return p - begin;
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}
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return 0;
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}
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unsigned int
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dounderline(const char *begin, const char *end) {
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