165 lines
2.8 KiB
C
165 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <err.h>
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#include <string.h>
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#define PATH_MAX 128
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char buf[PATH_MAX];
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/* from git://bitreich.org/utf8expr */
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size_t
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utf8strlen(char *s)
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{
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size_t i;
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i = 0;
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for (; s[0]; s++) {
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if ((s[0] & 0xc0) != 0x80)
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i++;
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}
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return i;
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}
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void
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fprintunderline(FILE *fp, char *str, size_t linelen)
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{
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size_t i;
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fprintf(fp, "\n %s\n ", str);
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for (i=0; i<=utf8strlen(str); ++i)
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fputs("=", fp);
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fputs("\n\n", fp);
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}
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void
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escapechars(char *s, size_t linelen)
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{
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size_t i;
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for (i=0; i<linelen && *s != '\0'; (void)*s++, i++)
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switch (*s) {
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case '#':
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case ' ':
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case ' ':
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case ':':
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case '.':
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case '(':
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case ')':
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case '/':
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*s = '_';
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break;
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case '\n':
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*s = '\0';
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return;
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default:
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break;
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}
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}
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void
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fprintesc(FILE *fp, char *s, ssize_t len)
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{
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ssize_t i;
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int intext;
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intext = 0;
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fputs(" ", fp);
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for (i=0; i<len && s[i] != '\0'; i++)
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switch (s[i]) {
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case ' ':
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fputc(' ', fp);
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break;
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case '\t':
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fprintf(fp, " ");
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break;
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case '*':
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if (!intext) {
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fputc('o', fp);
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break;
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}
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default:
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intext = 1;
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fputc(s[i], fp);
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break;
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}
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fputs("\n", fp);
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}
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void
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mkfilename(char *fname, char *str, size_t len, int i)
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{
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strlcpy(buf, str, len);
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escapechars(buf, len);
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snprintf(fname, len, "%.4d-%s.txt", i, buf);
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}
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void
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copyfile(char *dst, char *src)
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{
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char c;
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FILE *fsrc, *fdst;
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if (strlen(src) < 1 || strlen(dst) < 1 ||
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!(fsrc = fopen(src, "r")) || !(fdst = fopen(dst, "w")))
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err(1, "copyfile: %s -> %s", src, dst);
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while ((c = fgetc(fsrc)) != EOF)
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fputc(c, fdst);
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fclose(fsrc);
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fclose(fdst);
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}
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int
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main(int argc, char* argv[])
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{
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int i;
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static char *line;
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static size_t linesize;
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ssize_t linelen;
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char title[PATH_MAX], fname[PATH_MAX], fname_old[PATH_MAX];
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FILE *fp;
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fp = NULL;
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title[0] = fname[0] = fname_old[0] = '\0';
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i = 0;
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while ((linelen = getline(&line, &linesize, stdin)) > 0) {
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if (line[linelen-1] == '\n')
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line[--linelen] = '\0';
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if (linelen > 1 && line[0] == '#' && line[1] == '#') {
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if (fp)
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fclose(fp);
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strlcpy(title, line+2, PATH_MAX);
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mkfilename(fname, title, PATH_MAX, i++);
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if (!(fp = fopen(fname, "w")))
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err(1, "fopen: %s", fname);
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if (linelen == 2)
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fputs("\n", fp);
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else
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fprintunderline(fp, title, linelen);
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} else if (linelen > 0 && line[0] == '%') {
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continue;
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} else if (linelen > 5 && !strncmp(line, "#pause", linelen)) {
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if (fp)
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fclose(fp);
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strlcpy(fname_old, fname, PATH_MAX);
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mkfilename(fname, title, PATH_MAX, i++);
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copyfile(fname, fname_old);
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if (strlen(fname) > 0 && !(fp = fopen(fname, "a")))
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err(1, "fopen: %s", fname);
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} else {
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/* ignore text before first header */
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if (fp)
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fprintesc(fp, line, linelen);
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}
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}
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free(line);
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return 0;
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}
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