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tttml.c - tttml - converters for a simpler syntax than markdown |
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git clone git://bitreich.org/tttml git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/tttml (git://bitreich.org) |
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README |
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--- |
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tttml.c (1298B) |
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--- |
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1 #include <string.h> |
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2 #include <stdio.h> |
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3 #include <ctype.h> |
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4 |
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5 #define WORD_MAX 1024 |
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6 #define MIN(x, y) ((x) < (y) ? (x) : (y)) |
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7 |
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8 /* |
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9 * Put the character c to stdout, and if the line is too long, insert |
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10 * a newline. If c == EOF, flush the last word out of fmtc's static |
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11 * buffer. |
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12 * |
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13 * It preserve the double space after a punctuation mark [.!?] if any. |
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14 */ |
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15 int |
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16 fmtc(char c, char *prefix, int max) |
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17 { |
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18 static int pos = 0, nspaces = 0, wlen = 0, was_space = 1, was_punct = 0, first = 1; |
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19 static char word[WORD_MAX], *w = word; |
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20 |
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21 if (c != ' ' && c != '\n' && c != EOF) { |
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22 if (wlen + 1 < WORD_MAX) { |
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23 *w++ = c; |
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24 wlen++; |
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25 } |
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26 was_space = 0; |
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27 was_punct = !!strchr(".!?", c); |
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28 |
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29 } else { |
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30 if (!was_space) { |
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31 was_space = 1; |
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32 |
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33 if (pos + nspaces + wlen > max) { |
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34 pos = strlen(prefix); |
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35 fputc('\n', stdout); |
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36 fputs(prefix, stdout); |
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37 } else if (!first) { |
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38 pos += nspaces; |
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39 while (nspaces-- > 0) |
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40 fputc(' ', stdout); |
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41 } |
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42 |
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43 pos += wlen; |
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44 word[wlen] = '\0'; |
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45 fputs(word, stdout); |
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46 |
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47 w = word; |
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48 wlen = 0; |
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49 nspaces = 1; |
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50 } else { |
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51 nspaces = was_punct ? 2 : 1; |
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52 } |
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53 |
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54 if (c == EOF) |
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55 fputc('\n', stdout); |
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56 |
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57 first = 0; |
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58 } |
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59 |
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60 return c; |
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61 } |
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62 |
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63 int |
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64 main(void) |
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65 { |
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66 int c; |
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67 char *prefix; |
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68 |
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69 prefix = " |"; |
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70 |
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71 fputs(prefix, stdout); |
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72 while (fmtc(fgetc(stdin), prefix, 80) != EOF); |
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73 } |
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