ctxt.c

   1 #include <stdlib.h>
   2 #include <string.h>
   3 #include <unistd.h>
   4 #include "ctxt.h"
   5 #include "util.h"
   6
   7 void file_put(int fd, char *s)
   8 {
   9         int c = 0;
  10         int n = 0;
  11         size_t size = strlen(s);
  12         while (size > n && (c = write(fd, s + n, size - n)) >= 0)
  13                 n += c;
  14 }
  15
  16 static void latex_doc_beg(int fd)
  17 {
  18         file_put(fd, "\\begin{document}\n");
  19 }
  20
  21 static void latex_doc_end(int fd)
  22 {
  23         file_put(fd, "\\end{document}\n");
  24 }
  25
  26 static void latex_head_beg(int fd, int level)
  27 {
  28         switch (level) {
  29         case 0:
  30                 file_put(fd, "\\section*{");
  31                 break;
  32         case 1:
  33                 file_put(fd, "\\subsection*{");
  34                 break;
  35         default:
  36                 file_put(fd, "\\subsection*{");
  37         }
  38 }
  39
  40 static void latex_head_end(int fd)
  41 {
  42         file_put(fd, "}\n");
  43 }
  44
  45 static void latex_par_beg(int fd)
  46 {
  47 }
  48
  49 static void latex_par_end(int fd)
  50 {
  51 }
  52
  53 static void latex_put(int fd, char *s)
  54 {
  55         file_put(fd, s);
  56 }
  57
  58 static void latex_list_beg(int fd)
  59 {
  60         file_put(fd, "\\begin{itemize}\n");
  61 }
  62
  63 static void latex_list_end(int fd)
  64 {
  65         file_put(fd, "\\end{itemize}\n");
  66 }
  67
  68 static void latex_item_beg(int fd)
  69 {
  70         file_put(fd, "\\item ");
  71 }
  72
  73 static void latex_item_end(int fd)
  74 {
  75         file_put(fd, "");
  76 }
  77
  78 static void latex_pre_beg(int fd)
  79 {
  80         file_put(fd, "\\begin{verbatim}\n");
  81 }
  82
  83 static void latex_pre_end(int fd)
  84 {
  85         file_put(fd, "\\end{verbatim}\n");
  86 }
  87
  88 static void latex_formula_beg(int fd)
  89 {
  90         file_put(fd, "\\[ ");
  91 }
  92
  93 static void latex_formula_end(int fd)
  94 {
  95         file_put(fd, " \\]\n");
  96 }
  97
  98 static void latex_put_emph(int fd, char *s)
  99 {
 100         file_put(fd, "\\emph{");
 101         file_put(fd, s);
 102         file_put(fd, "}");
 103 }
 104
 105 static void latex_put_raw(int fd, char *s)
 106 {
 107         file_put(fd, s);
 108 }
 109
 110 static void latex_put_ref(int fd, char *s)
 111 {
 112         file_put(fd, "\\cite{");
 113         file_put(fd, s);
 114         file_put(fd, "}");
 115 }
 116
 117 struct fmt_ops latex_ops = {
 118         .doc_beg        = latex_doc_beg,
 119         .doc_end        = latex_doc_end,
 120         .head_beg       = latex_head_beg,
 121         .head_end       = latex_head_end,
 122         .par_beg        = latex_par_beg,
 123         .par_end        = latex_par_end,
 124         .list_beg       = latex_list_beg,
 125         .list_end       = latex_list_end,
 126         .item_beg       = latex_item_beg,
 127         .item_end       = latex_item_end,
 128         .pre_beg        = latex_pre_beg,
 129         .pre_end        = latex_pre_end,
 130         .formula_beg    = latex_formula_beg,
 131         .formula_end    = latex_formula_end,
 132         .put_emph       = latex_put_emph,
 133         .put_raw        = latex_put_raw,
 134         .put_ref        = latex_put_ref,
 135         .put            = latex_put};
 136
 137 int main(int argc, char **argv)
 138 {
 139         struct txt *txt = txt_alloc(STDIN_FILENO);
 140         fmt(STDOUT_FILENO, txt, &latex_ops);
 141         txt_free(txt);
 142         return 0;
 143 }