commit 22b697c8d08fb0705cd7d64efd5e45f338fd5afc
parent cf7d7b62f29ffcc61fd4105b35e781933e1d46ac
Author: Enno Boland (Gottox) <gottox@s01.de>
Date: Wed, 2 Jul 2008 08:03:31 +0200
removing libsmu.c. I thought it was already gone...
Diffstat:
| D | libsmu.c | | | 557 | ------------------------------------------------------------------------------- |
1 file changed, 0 insertions(+), 557 deletions(-)
diff --git a/libsmu.c b/libsmu.c
@@ -1,557 +0,0 @@
-/* libsmu - simple markup library
- * Copyright (C) <2007, 2008> Enno Boland <g s01 de>
- *
- * See LICENSE for further informations
- */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "smu.h"
-
-#define BUFFERSIZE 512
-#define LENGTH(x) sizeof(x)/sizeof(x[0])
-#define ADDC(b,i) if(i % BUFFERSIZE == 0) \
- { b = realloc(b, (i + BUFFERSIZE) * sizeof(b)); if(!b) eprint("Malloc failed."); } b[i]
-
-typedef int (*Parser)(const char *, const char *, int);
-typedef struct {
- char *search;
- int process;
- char *before, *after;
-} Tag;
-
-static int doamp(const char *begin, const char *end, int newblock); /* Parser for & */
-static int dogtlt(const char *begin, const char *end, int newblock); /* Parser for < and > */
-static int dohtml(const char *begin, const char *end, int newblock); /* Parser for html */
-static int dolineprefix(const char *begin, const char *end, int newblock);/* Parser for line prefix tags */
-static int dolink(const char *begin, const char *end, int newblock); /* Parser for links and images */
-static int dolist(const char *begin, const char *end, int newblock); /* Parser for lists */
-static int doparagraph(const char *begin, const char *end, int newblock); /* Parser for paragraphs */
-static int doreplace(const char *begin, const char *end, int newblock); /* Parser for simple replaces */
-static int doshortlink(const char *begin, const char *end, int newblock); /* Parser for links and images */
-static int dosurround(const char *begin, const char *end, int newblock); /* Parser for surrounding tags */
-static int dounderline(const char *begin, const char *end, int newblock); /* Parser for underline tags */
-static void hprint(const char *begin, const char *end); /* escapes HTML and prints it to output */
-static void process(const char *begin, const char *end, int isblock); /* Processes range between begin and end. */
-
-/* list of parsers */
-static Parser parsers[] = { dounderline, dohtml, dolineprefix, dolist,
- doparagraph, dogtlt, dosurround, dolink,
- doshortlink, doamp, doreplace };
-static FILE *output;
-static int nohtml = 1;
-
-static Tag lineprefix[] = {
- { " ", 0, "<pre><code>", "</code></pre>" },
- { "\t", 0, "<pre><code>", "</code></pre>" },
- { "> ", 2, "<blockquote>", "</blockquote>" },
- { "###### ", 1, "<h6>", "</h6>" },
- { "##### ", 1, "<h5>", "</h5>" },
- { "#### ", 1, "<h4>", "</h4>" },
- { "### ", 1, "<h3>", "</h3>" },
- { "## ", 1, "<h2>", "</h2>" },
- { "# ", 1, "<h1>", "</h1>" },
- { "- - -\n", 1, "<hr />", ""},
-};
-
-static Tag underline[] = {
- { "=", 1, "<h1>", "</h1>\n" },
- { "-", 1, "<h2>", "</h2>\n" },
-};
-
-static Tag surround[] = {
- { "``", 0, "<code>", "</code>" },
- { "`", 0, "<code>", "</code>" },
- { "___", 1, "<strong><em>", "</em></strong>" },
- { "***", 1, "<strong><em>", "</em></strong>" },
- { "__", 1, "<strong>", "</strong>" },
- { "**", 1, "<strong>", "</strong>" },
- { "_", 1, "<em>", "</em>" },
- { "*", 1, "<em>", "</em>" },
-};
-
-static const char *replace[][2] = {
- { "\\\\", "\\" },
- { "\\`", "`" },
- { "\\*", "*" },
- { "\\_", "_" },
- { "\\{", "{" },
- { "\\}", "}" },
- { "\\[", "[" },
- { "\\]", "]" },
- { "\\(", "(" },
- { "\\)", ")" },
- { "\\#", "#" },
- { "\\+", "+" },
- { "\\-", "-" },
- { "\\.", "." },
- { "\\!", "!" },
-};
-
-static const char *insert[][2] = {
- { " \n", "<br />" },
-};
-
-void
-eprint(const char *format, ...) {
- va_list ap;
-
- va_start(ap, format);
- vfprintf(stderr, format, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
-}
-
-int
-doamp(const char *begin, const char *end, int newblock) {
- const char *p;
-
- if(*begin != '&')
- return 0;
- if(!nohtml) {
- for(p = begin + 1; p != end && !strchr("; \\\n\t", *p); p++);
- if(p == end || *p == ';')
- return 0;
- }
- fputs("&", output);
- return 1;
-}
-
-int
-dogtlt(const char *begin, const char *end, int newblock) {
- int brpos;
- char c;
-
- if(nohtml || begin + 1 >= end)
- return 0;
- brpos = begin[1] == '>';
- if(!brpos && *begin != '<')
- return 0;
- c = begin[brpos ? 0 : 1];
- if(!brpos && (c < 'a' || c > 'z') && (c < 'A' || c > 'Z')) {
- fputs("<", output);
- return 1;
- }
- else if(brpos && (c < 'a' || c > 'z') && (c < 'A' || c > 'Z') && !strchr("/\"'",c)) {
- fprintf(output, "%c>",c);
- return 2;
- }
- return 0;
-}
-
-int
-dohtml(const char *begin, const char *end, int newblock) {
- const char *p, *tag, *tagend;
-
- if(nohtml || !newblock || *begin == '\n' || begin + 2 >= end)
- return 0;
- p = begin;
- if(p[1] == '\n')
- p++;
- if(p[1] != '<' || strchr(" /\n\t\\", p[2]))
- return 0;
- tag = p + 2;
- p += 2;
- for(; !strchr(" >", *p); p++);
- tagend = p;
- while((p = strstr(p, "\n</")) && p < end) {
- p += 3;
- if(strncmp(p, tag, tagend - tag) == 0 && p[tagend - tag] == '>') {
- p++;
- fwrite(begin, sizeof(char), p - begin + tagend - tag, output);
- puts("\n");
- return -(p - begin + tagend - tag);
- }
- }
- return 0;
-}
-
-int
-dolineprefix(const char *begin, const char *end, int newblock) {
- unsigned int i, j, l;
- char *buffer;
- const char *p;
-
- if(newblock)
- p = begin;
- else if(*begin == '\n')
- p = begin + 1;
- else
- return 0;
- for(i = 0; i < LENGTH(lineprefix); i++) {
- l = strlen(lineprefix[i].search);
- if(end - p < l)
- continue;
- if(strncmp(lineprefix[i].search, p, l))
- continue;
- if(*begin == '\n')
- fputc('\n', output);
- fputs(lineprefix[i].before, output);
- if(lineprefix[i].search[l-1] == '\n') {
- fputc('\n', output);
- return l;
- }
- if(!(buffer = malloc(BUFFERSIZE)))
- eprint("Malloc failed.");
- buffer[0] = '\0';
- for(j = 0, p += l; p < end; p++, j++) {
- ADDC(buffer, j) = *p;
- if(*p == '\n' && p + l < end) {
- if(strncmp(lineprefix[i].search, p + 1, l) != 0)
- break;
- p += l;
- }
- }
- ADDC(buffer, j) = '\0';
- if(lineprefix[i].process)
- process(buffer, buffer + strlen(buffer), lineprefix[i].process >= 2);
- else
- hprint(buffer, buffer + strlen(buffer));
- puts(lineprefix[i].after);
- free(buffer);
- return -(p - begin);
- }
- return 0;
-}
-
-int
-dolink(const char *begin, const char *end, int newblock) {
- int img;
- const char *desc, *link, *p, *q, *descend, *linkend;
-
- if(*begin == '[')
- img = 0;
- else if(strncmp(begin, "![", 2) == 0)
- img = 1;
- else
- return 0;
- p = desc = begin + 1 + img;
- if(!(p = strstr(desc, "](")) || p > end)
- return 0;
- for(q = strstr(desc, "!["); q && q < end && q < p; q = strstr(q + 1, "!["))
- if(!(p = strstr(p + 1, "](")) || p > end)
- return 0;
- descend = p;
- link = p + 2;
- if(!(p = strstr(link, ")")) || p > end)
- return 0;
- linkend = p;
- if(img) {
- fputs("<img src=\"", output);
- hprint(link, linkend);
- fputs("\" alt=\"", output);
- hprint(desc, descend);
- fputs("\" />", output);
- }
- else {
- fputs("<a href=\"", output);
- hprint(link, linkend);
- fputs("\">", output);
- process(desc, descend, 0);
- fputs("</a>", output);
- }
- return p + 1 - begin;
-}
-
-int
-dolist(const char *begin, const char *end, int newblock) {
- unsigned int i, j, indent, run, ul, isblock;
- const char *p, *q;
- char *buffer;
-
- isblock = 0;
- if(newblock)
- p = begin;
- else if(*begin == '\n')
- p = begin + 1;
- else
- return 0;
- q = p;
- if(*p == '-' || *p == '*' || *p == '+')
- ul = 1;
- else {
- ul = 0;
- for(; p < end && *p >= '0' && *p <= '9'; p++);
- if(p >= end || *p != '.')
- return 0;
- }
- p++;
- if(p >= end || !(*p == ' ' || *p == '\t'))
- return 0;
- for(p++; p != end && (*p == ' ' || *p == '\t'); p++);
- indent = p - q;
- if(!(buffer = malloc(BUFFERSIZE)))
- eprint("Malloc failed.");
- if(!newblock)
- fputc('\n', output);
- fputs(ul ? "<ul>\n" : "<ol>\n", output);
- run = 1;
- for(; p < end && run; p++) {
- for(i = 0; p < end && run; p++, i++) {
- if(*p == '\n') {
- if(p + 1 == end)
- break;
- else if(p[1] == '\n') {
- p++;
- ADDC(buffer, i) = '\n';
- i++;
- run = 0;
- isblock++;
- }
- q = p + 1;
- j = 0;
- if(ul && (*q == '-' || *q == '*' || *q == '+'))
- j = 1;
- else if(!ul) {
- for(; q + j != end && q[j] >= '0' && q[j] <= '9' && j < indent; j++);
- if(q + j == end)
- break;
- if(j > 0 && q[j] == '.')
- j++;
- else
- j = 0;
- }
- if(q + indent < end)
- for(; (q[j] == ' ' || q[j] == '\t') && j < indent; j++);
- if(j == indent) {
- ADDC(buffer, i) = '\n';
- i++;
- p += indent;
- run = 1;
- if(*q == ' ' || *q == '\t')
- p++;
- else
- break;
- }
- }
- ADDC(buffer, i) = *p;
- }
- ADDC(buffer, i) = '\0';
- fputs("<li>", output);
- process(buffer, buffer + i, isblock > 1 || (isblock == 1 && run));
- fputs("</li>\n", output);
- }
- fputs(ul ? "</ul>\n" : "</ol>\n", output);
- free(buffer);
- p--;
- while(*(--p) == '\n');
- return -(p - begin + 1);
-}
-
-int
-doparagraph(const char *begin, const char *end, int newblock) {
- const char *p;
-
- if(!newblock)
- return 0;
- p = strstr(begin, "\n\n");
- if(!p || p > end)
- p = end;
- if(p - begin <= 1)
- return 0;
- fputs("<p>\n", output);
- process(begin, p, 0);
- fputs("</p>\n", output);
- return -(p - begin);
-}
-
-int
-doreplace(const char *begin, const char *end, int newblock) {
- unsigned int i, l;
-
- for(i = 0; i < LENGTH(insert); i++)
- if(strncmp(insert[i][0], begin, strlen(insert[i][0])) == 0)
- fputs(insert[i][1], output);
- for(i = 0; i < LENGTH(replace); i++) {
- l = strlen(replace[i][0]);
- if(end - begin < l)
- continue;
- if(strncmp(replace[i][0], begin, l) == 0) {
- fputs(replace[i][1], output);
- return l;
- }
- }
- return 0;
-}
-
-int
-doshortlink(const char *begin, const char *end, int newblock) {
- const char *p, *c;
- int ismail = 0;
-
- if(*begin != '<')
- return 0;
- for(p = begin + 1; p != end; p++) {
- switch(*p) {
- case ' ':
- case '\t':
- case '\n':
- return 0;
- case '#':
- case ':':
- ismail = -1;
- break;
- case '@':
- if(ismail == 0)
- ismail = 1;
- break;
- case '>':
- if(ismail == 0)
- return 0;
- fputs("<a href=\"", output);
- if(ismail == 1) {
- /* mailto: */
- fputs("mailto:", output);
- for(c = begin + 1; *c != '>'; c++)
- fprintf(output, "&#%u;", *c);
- fputs("\">", output);
- for(c = begin + 1; *c != '>'; c++)
- fprintf(output, "&#%u;", *c);
- }
- else {
- hprint(begin + 1, p);
- fputs("\">", output);
- hprint(begin + 1, p);
- }
- fputs("</a>", output);
- return p - begin + 1;
- }
- }
- return 0;
-}
-
-int
-dosurround(const char *begin, const char *end, int newblock) {
- unsigned int i, l;
- const char *p, *start, *stop;
-
- for(i = 0; i < LENGTH(surround); i++) {
- l = strlen(surround[i].search);
- if(end - begin < 2*l || strncmp(begin, surround[i].search, l) != 0)
- continue;
- start = begin + l;
- p = start - 1;
- do {
- p = strstr(p + 1, surround[i].search);
- } while(p && p[-1] == '\\');
- if(!p || p >= end ||
- !(stop = strstr(start, surround[i].search)) || stop >= end)
- continue;
- fputs(surround[i].before, output);
- if(surround[i].process)
- process(start, stop, 0);
- else
- hprint(start, stop);
- fputs(surround[i].after, output);
- return stop - begin + l;
- }
- return 0;
-}
-
-int
-dounderline(const char *begin, const char *end, int newblock) {
- unsigned int i, j, l;
- const char *p;
-
- if(!newblock)
- return 0;
- p = begin;
- for(l = 0; p + l != end && p[l] != '\n'; l++);
- p += l + 1;
- if(l == 0)
- return 0;
- for(i = 0; i < LENGTH(underline); i++) {
- for(j = 0; p + j != end && p[j] != '\n' && p[j] == underline[i].search[0]; j++);
- if(j >= l) {
- fputs(underline[i].before, output);
- if(underline[i].process)
- process(begin, begin + l, 0);
- else
- hprint(begin, begin + l);
- fputs(underline[i].after, output);
- return -(j + p - begin);
- }
- }
- return 0;
-}
-
-void
-hprint(const char *begin, const char *end) {
- const char *p;
-
- for(p = begin; p != end; p++) {
- if(*p == '&')
- fputs("&", output);
- else if(*p == '"')
- fputs(""", output);
- else if(*p == '>')
- fputs(">", output);
- else if(*p == '<')
- fputs("<", output);
- else
- fputc(*p, output);
- }
-}
-
-void
-process(const char *begin, const char *end, int newblock) {
- const char *p, *q;
- int affected;
- unsigned int i;
-
- for(p = begin; p != end;) {
- if(newblock)
- while(*p == '\n')
- if(++p == end)
- return;
- affected = 0;
- for(i = 0; i < LENGTH(parsers) && affected == 0; i++)
- affected = parsers[i](p, end, newblock);
- p += abs(affected);
- if(!affected) {
- if(nohtml)
- hprint(p, p + 1);
- else
- fputc(*p, output);
- p++;
- }
- for(q = p; q != end && *q == '\n'; q++);
- if(q == end)
- return;
- else if(p[0] == '\n' && p + 1 != end && p[1] == '\n')
- newblock = 1;
- else
- newblock = affected < 0;
- }
-}
-
-/** library call **/
-
-int
-smu_convert(FILE *out, FILE *in, int suppresshtml) {
- char *buffer;
- int s;
- unsigned long len, bsize;
-
- nohtml = suppresshtml;
- output = out;
-
- bsize = 2 * BUFFERSIZE;
- if(!(buffer = malloc(bsize)))
- eprint("Malloc failed.");
- len = 0;
- while((s = fread(buffer + len, 1, BUFFERSIZE, in))) {
- len += s;
- if(BUFFERSIZE + len + 1 > bsize) {
- bsize += BUFFERSIZE;
- if(!(buffer = realloc(buffer, bsize)))
- eprint("Malloc failed.");
- }
- }
- buffer[len] = '\0';
- process(buffer, buffer + len, 1);
- free(buffer);
-
- return EXIT_SUCCESS;
-}
