html.c

   1 #include <string.h>
   2 #include "ctxt.h"
   3
   4 static void html_doc_beg(struct doc *doc)
   5 {
   6         doc_write(doc, "<body>\n");
   7 }
   8
   9 static void html_doc_end(struct doc *doc)
  10 {
  11         doc_write(doc, "</body>\n");
  12 }
  13
  14 static int digits(int n)
  15 {
  16         int d = 1;
  17         while ((n /= 10))
  18                 d++;
  19         return d;
  20 }
  21
  22 static char *putint(char *s, int n)
  23 {
  24         int i;
  25         int d = digits(n);
  26         for (i = 0; i < d; i++) {
  27                 s[d - i - 1] = n % 10 + '0';
  28                 n /= 10;
  29         }
  30         s[d] = '\0';
  31         return s + d;
  32 }
  33
  34 static char *putstr(char *dst, char *src)
  35 {
  36         strcpy(dst, src);
  37         return strchr(dst, '\0');
  38 }
  39
  40 static void html_head_beg(struct doc *doc, int level)
  41 {
  42         char buf[64];
  43         char *s = buf;
  44         s = putstr(s, "<h");
  45         s = putint(s, level + 1);
  46         putstr(s, ">");
  47         doc_write(doc, buf);
  48 }
  49
  50 static void html_head_end(struct doc *doc, int level)
  51 {
  52         char buf[64];
  53         char *s = buf;
  54         s = putstr(s, "</h");
  55         s = putint(s, level + 1);
  56         putstr(s, ">");
  57         doc_write(doc, buf);
  58 }
  59
  60 static void html_par_beg(struct doc *doc)
  61 {
  62         doc_write(doc, "<p>\n");
  63 }
  64
  65 static void html_par_end(struct doc *doc)
  66 {
  67 }
  68
  69 static void html_put(struct doc *doc, char *s)
  70 {
  71         doc_write(doc, s);
  72 }
  73
  74 static void html_list_beg(struct doc *doc)
  75 {
  76         doc_write(doc, "<ul>\n");
  77 }
  78
  79 static void html_list_end(struct doc *doc)
  80 {
  81         doc_write(doc, "</ul>\n");
  82 }
  83
  84 static void html_item_beg(struct doc *doc)
  85 {
  86         doc_write(doc, "<li>");
  87 }
  88
  89 static void html_item_end(struct doc *doc)
  90 {
  91         doc_write(doc, "</li>\n");
  92 }
  93
  94 static void html_pre_beg(struct doc *doc)
  95 {
  96         doc_write(doc, "<pre>");
  97 }
  98
  99 static void html_pre_end(struct doc *doc)
 100 {
 101         doc_write(doc, "</pre>");
 102 }
 103
 104 static void html_formula_beg(struct doc *doc)
 105 {
 106         doc_write(doc, "<p><i>");
 107 }
 108
 109 static void html_formula_end(struct doc *doc)
 110 {
 111         doc_write(doc, "</i>\n");
 112 }
 113
 114 static void html_put_txt(struct doc *doc, char *s, int marker)
 115 {
 116         switch (marker) {
 117         case M_EMPH:
 118                 doc_write(doc, "<b>");
 119                 doc_write(doc, s);
 120                 doc_write(doc, "</b>");
 121                 break;
 122         case M_RAW:
 123                 doc_write(doc, s);
 124                 break;
 125         case M_LINK:
 126                 doc_write(doc, "<a href=\"");
 127                 doc_write(doc, s);
 128                 doc_write(doc, "\">");
 129                 doc_write(doc, s);
 130                 doc_write(doc, "</a>");
 131                 break;
 132         case M_FOOT:
 133                 doc_write(doc, "[");
 134                 doc_write(doc, s);
 135                 doc_write(doc, "]");
 136                 break;
 137         default:
 138                 html_put(doc, s);
 139         }
 140
 141 }
 142
 143 static void html_table_beg(struct doc *doc, int columns)
 144 {
 145         doc_write(doc, "<table>\n");
 146 }
 147
 148 static void html_table_end(struct doc *doc)
 149 {
 150         doc_write(doc, "</table>\n");
 151 }
 152
 153 static void html_row_beg(struct doc *doc)
 154 {
 155         doc_write(doc, "<tr>");
 156 }
 157
 158 static void html_row_end(struct doc *doc)
 159 {
 160         doc_write(doc, "</tr>\n");
 161 }
 162
 163 static void html_entry_beg(struct doc *doc)
 164 {
 165         doc_write(doc, "<td>");
 166 }
 167
 168 static void html_entry_end(struct doc *doc)
 169 {
 170         doc_write(doc, "</td>");
 171 }
 172
 173 struct fmt_ops html_ops = {
 174         .doc_beg        = html_doc_beg,
 175         .doc_end        = html_doc_end,
 176         .head_beg       = html_head_beg,
 177         .head_end       = html_head_end,
 178         .par_beg        = html_par_beg,
 179         .par_end        = html_par_end,
 180         .list_beg       = html_list_beg,
 181         .list_end       = html_list_end,
 182         .item_beg       = html_item_beg,
 183         .item_end       = html_item_end,
 184         .pre_beg        = html_pre_beg,
 185         .pre_end        = html_pre_end,
 186         .formula_beg    = html_formula_beg,
 187         .formula_end    = html_formula_end,
 188         .table_beg      = html_table_beg,
 189         .table_end      = html_table_end,
 190         .row_beg        = html_row_beg,
 191         .row_end        = html_row_end,
 192         .entry_beg      = html_entry_beg,
 193         .entry_end      = html_entry_end,
 194         .put            = html_put,
 195         .put_txt        = html_put_txt
 196 };