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1 #include "html.h" |
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2 |
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3 #include <string.h> |
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4 #include <stdlib.h> |
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5 #include <stdio.h> |
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6 #include <ctype.h> |
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7 |
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8 #include "escape.h" |
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9 |
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10 #define USE_XHTML(opt) (opt->flags & HOEDOWN_HTML_USE_XHTML) |
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11 |
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12 hoedown_html_tag |
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13 hoedown_html_is_tag(const uint8_t *data, size_t size, const char *tagname) |
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14 { |
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15 size_t i; |
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16 int closed = 0; |
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17 |
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18 if (size < 3 || data[0] != '<') |
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19 return HOEDOWN_HTML_TAG_NONE; |
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20 |
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21 i = 1; |
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22 |
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23 if (data[i] == '/') { |
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24 closed = 1; |
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25 i++; |
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26 } |
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27 |
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28 for (; i < size; ++i, ++tagname) { |
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29 if (*tagname == 0) |
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30 break; |
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31 |
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32 if (data[i] != *tagname) |
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33 return HOEDOWN_HTML_TAG_NONE; |
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34 } |
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35 |
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36 if (i == size) |
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37 return HOEDOWN_HTML_TAG_NONE; |
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38 |
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39 if (isspace(data[i]) || data[i] == '>') |
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40 return closed ? HOEDOWN_HTML_TAG_CLOSE : HOEDOWN_HTML_TAG_OPEN; |
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41 |
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42 return HOEDOWN_HTML_TAG_NONE; |
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43 } |
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44 |
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45 static void escape_html(hoedown_buffer *ob, const uint8_t *source, size_t length) |
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46 { |
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47 hoedown_escape_html(ob, source, length, 0); |
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48 } |
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49 |
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50 static void escape_href(hoedown_buffer *ob, const uint8_t *source, size_t length) |
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51 { |
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52 hoedown_escape_href(ob, source, length); |
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53 } |
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54 |
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55 /******************** |
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56 * GENERIC RENDERER * |
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57 ********************/ |
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58 static int |
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59 rndr_autolink(hoedown_buffer *ob, const hoedown_buffer *link, hoedown_autolink_type type, const hoedown_renderer_data *data) |
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60 { |
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61 hoedown_html_renderer_state *state = data->opaque; |
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62 |
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63 if (!link || !link->size) |
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64 return 0; |
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65 |
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66 HOEDOWN_BUFPUTSL(ob, "<a href=\""); |
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67 if (type == HOEDOWN_AUTOLINK_EMAIL) |
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68 HOEDOWN_BUFPUTSL(ob, "mailto:"); |
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69 escape_href(ob, link->data, link->size); |
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70 |
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71 if (state->link_attributes) { |
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72 hoedown_buffer_putc(ob, '\"'); |
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73 state->link_attributes(ob, link, data); |
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74 hoedown_buffer_putc(ob, '>'); |
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75 } else { |
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76 HOEDOWN_BUFPUTSL(ob, "\">"); |
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77 } |
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78 |
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79 /* |
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80 * Pretty printing: if we get an email address as |
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81 * an actual URI, e.g. `mailto:foo@bar.com`, we don't |
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82 * want to print the `mailto:` prefix |
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83 */ |
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84 if (hoedown_buffer_prefix(link, "mailto:") == 0) { |
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85 escape_html(ob, link->data + 7, link->size - 7); |
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86 } else { |
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87 escape_html(ob, link->data, link->size); |
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88 } |
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89 |
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90 HOEDOWN_BUFPUTSL(ob, "</a>"); |
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91 |
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92 return 1; |
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93 } |
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94 |
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95 static void |
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96 rndr_blockcode(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_renderer_data *data) |
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97 { |
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98 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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99 |
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100 if (lang) { |
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101 HOEDOWN_BUFPUTSL(ob, "<pre><code class=\"language-"); |
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102 escape_html(ob, lang->data, lang->size); |
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103 HOEDOWN_BUFPUTSL(ob, "\">"); |
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104 } else { |
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105 HOEDOWN_BUFPUTSL(ob, "<pre><code>"); |
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106 } |
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107 |
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108 if (text) |
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109 escape_html(ob, text->data, text->size); |
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110 |
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111 HOEDOWN_BUFPUTSL(ob, "</code></pre>\n"); |
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112 } |
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113 |
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114 static void |
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115 rndr_blockquote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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116 { |
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117 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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118 HOEDOWN_BUFPUTSL(ob, "<blockquote>\n"); |
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119 if (content) hoedown_buffer_put(ob, content->data, content->size); |
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120 HOEDOWN_BUFPUTSL(ob, "</blockquote>\n"); |
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121 } |
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122 |
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123 static int |
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124 rndr_codespan(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data) |
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125 { |
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126 HOEDOWN_BUFPUTSL(ob, "<code>"); |
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127 if (text) escape_html(ob, text->data, text->size); |
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128 HOEDOWN_BUFPUTSL(ob, "</code>"); |
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129 return 1; |
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130 } |
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131 |
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132 static int |
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133 rndr_strikethrough(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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134 { |
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135 if (!content || !content->size) |
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136 return 0; |
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137 |
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138 HOEDOWN_BUFPUTSL(ob, "<del>"); |
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139 hoedown_buffer_put(ob, content->data, content->size); |
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140 HOEDOWN_BUFPUTSL(ob, "</del>"); |
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141 return 1; |
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142 } |
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143 |
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144 static int |
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145 rndr_double_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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146 { |
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147 if (!content || !content->size) |
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148 return 0; |
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149 |
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150 HOEDOWN_BUFPUTSL(ob, "<strong>"); |
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151 hoedown_buffer_put(ob, content->data, content->size); |
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152 HOEDOWN_BUFPUTSL(ob, "</strong>"); |
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153 |
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154 return 1; |
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155 } |
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156 |
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157 static int |
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158 rndr_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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159 { |
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160 if (!content || !content->size) return 0; |
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161 HOEDOWN_BUFPUTSL(ob, "<em>"); |
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162 if (content) hoedown_buffer_put(ob, content->data, content->size); |
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163 HOEDOWN_BUFPUTSL(ob, "</em>"); |
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164 return 1; |
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165 } |
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166 |
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167 static int |
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168 rndr_underline(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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169 { |
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170 if (!content || !content->size) |
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171 return 0; |
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172 |
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173 HOEDOWN_BUFPUTSL(ob, "<u>"); |
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174 hoedown_buffer_put(ob, content->data, content->size); |
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175 HOEDOWN_BUFPUTSL(ob, "</u>"); |
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176 |
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177 return 1; |
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178 } |
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179 |
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180 static int |
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181 rndr_highlight(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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182 { |
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183 if (!content || !content->size) |
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184 return 0; |
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185 |
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186 HOEDOWN_BUFPUTSL(ob, "<mark>"); |
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187 hoedown_buffer_put(ob, content->data, content->size); |
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188 HOEDOWN_BUFPUTSL(ob, "</mark>"); |
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189 |
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190 return 1; |
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191 } |
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192 |
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193 static int |
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194 rndr_quote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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195 { |
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196 if (!content || !content->size) |
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197 return 0; |
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198 |
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199 HOEDOWN_BUFPUTSL(ob, "<q>"); |
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200 hoedown_buffer_put(ob, content->data, content->size); |
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201 HOEDOWN_BUFPUTSL(ob, "</q>"); |
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202 |
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203 return 1; |
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204 } |
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205 |
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206 static int |
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207 rndr_linebreak(hoedown_buffer *ob, const hoedown_renderer_data *data) |
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208 { |
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209 hoedown_html_renderer_state *state = data->opaque; |
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210 hoedown_buffer_puts(ob, USE_XHTML(state) ? "<br/>\n" : "<br>\n"); |
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211 return 1; |
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212 } |
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213 |
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214 static void |
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215 rndr_header(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data) |
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216 { |
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217 hoedown_html_renderer_state *state = data->opaque; |
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218 |
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219 if (ob->size) |
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220 hoedown_buffer_putc(ob, '\n'); |
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221 |
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222 if (level <= state->toc_data.nesting_level) |
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223 hoedown_buffer_printf(ob, "<h%d id=\"toc_%d\">", level, state->toc_data.header_count++); |
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224 else |
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225 hoedown_buffer_printf(ob, "<h%d>", level); |
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226 |
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227 if (content) hoedown_buffer_put(ob, content->data, content->size); |
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228 hoedown_buffer_printf(ob, "</h%d>\n", level); |
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229 } |
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230 |
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231 static int |
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232 rndr_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data) |
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233 { |
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234 hoedown_html_renderer_state *state = data->opaque; |
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235 |
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236 HOEDOWN_BUFPUTSL(ob, "<a href=\""); |
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237 |
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238 if (link && link->size) |
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239 escape_href(ob, link->data, link->size); |
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240 |
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241 if (title && title->size) { |
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242 HOEDOWN_BUFPUTSL(ob, "\" title=\""); |
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243 escape_html(ob, title->data, title->size); |
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244 } |
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245 |
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246 if (state->link_attributes) { |
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247 hoedown_buffer_putc(ob, '\"'); |
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248 state->link_attributes(ob, link, data); |
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249 hoedown_buffer_putc(ob, '>'); |
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250 } else { |
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251 HOEDOWN_BUFPUTSL(ob, "\">"); |
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252 } |
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253 |
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254 if (content && content->size) hoedown_buffer_put(ob, content->data, content->size); |
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255 HOEDOWN_BUFPUTSL(ob, "</a>"); |
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256 return 1; |
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257 } |
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258 |
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259 static void |
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260 rndr_list(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data) |
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261 { |
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262 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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263 hoedown_buffer_put(ob, (const uint8_t *)(flags & HOEDOWN_LIST_ORDERED ? "<ol>\n" : "<ul>\n"), 5); |
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264 if (content) hoedown_buffer_put(ob, content->data, content->size); |
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265 hoedown_buffer_put(ob, (const uint8_t *)(flags & HOEDOWN_LIST_ORDERED ? "</ol>\n" : "</ul>\n"), 6); |
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266 } |
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267 |
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268 static void |
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269 rndr_listitem(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data) |
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270 { |
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271 HOEDOWN_BUFPUTSL(ob, "<li>"); |
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272 if (content) { |
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273 size_t size = content->size; |
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274 while (size && content->data[size - 1] == '\n') |
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275 size--; |
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276 |
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277 hoedown_buffer_put(ob, content->data, size); |
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278 } |
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279 HOEDOWN_BUFPUTSL(ob, "</li>\n"); |
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280 } |
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281 |
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282 static void |
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283 rndr_paragraph(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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284 { |
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285 hoedown_html_renderer_state *state = data->opaque; |
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286 size_t i = 0; |
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287 |
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288 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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289 |
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290 if (!content || !content->size) |
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291 return; |
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292 |
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293 while (i < content->size && isspace(content->data[i])) i++; |
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294 |
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295 if (i == content->size) |
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296 return; |
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297 |
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298 HOEDOWN_BUFPUTSL(ob, "<p>"); |
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299 if (state->flags & HOEDOWN_HTML_HARD_WRAP) { |
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300 size_t org; |
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301 while (i < content->size) { |
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302 org = i; |
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303 while (i < content->size && content->data[i] != '\n') |
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304 i++; |
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305 |
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306 if (i > org) |
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307 hoedown_buffer_put(ob, content->data + org, i - org); |
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308 |
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309 /* |
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310 * do not insert a line break if this newline |
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311 * is the last character on the paragraph |
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312 */ |
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313 if (i >= content->size - 1) |
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314 break; |
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315 |
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316 rndr_linebreak(ob, data); |
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317 i++; |
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318 } |
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319 } else { |
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320 hoedown_buffer_put(ob, content->data + i, content->size - i); |
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321 } |
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322 HOEDOWN_BUFPUTSL(ob, "</p>\n"); |
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323 } |
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324 |
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325 static void |
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326 rndr_raw_block(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data) |
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327 { |
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328 size_t org, sz; |
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329 |
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330 if (!text) |
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331 return; |
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332 |
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333 /* FIXME: Do we *really* need to trim the HTML? How does that make a difference? */ |
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334 sz = text->size; |
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335 while (sz > 0 && text->data[sz - 1] == '\n') |
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336 sz--; |
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337 |
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338 org = 0; |
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339 while (org < sz && text->data[org] == '\n') |
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340 org++; |
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341 |
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342 if (org >= sz) |
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343 return; |
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344 |
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345 if (ob->size) |
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346 hoedown_buffer_putc(ob, '\n'); |
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347 |
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348 hoedown_buffer_put(ob, text->data + org, sz - org); |
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349 hoedown_buffer_putc(ob, '\n'); |
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350 } |
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351 |
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352 static int |
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353 rndr_triple_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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354 { |
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355 if (!content || !content->size) return 0; |
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356 HOEDOWN_BUFPUTSL(ob, "<strong><em>"); |
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357 hoedown_buffer_put(ob, content->data, content->size); |
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358 HOEDOWN_BUFPUTSL(ob, "</em></strong>"); |
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359 return 1; |
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360 } |
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361 |
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362 static void |
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363 rndr_hrule(hoedown_buffer *ob, const hoedown_renderer_data *data) |
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364 { |
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365 hoedown_html_renderer_state *state = data->opaque; |
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366 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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367 hoedown_buffer_puts(ob, USE_XHTML(state) ? "<hr/>\n" : "<hr>\n"); |
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368 } |
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369 |
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370 static int |
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371 rndr_image(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *alt, const hoedown_renderer_data *data) |
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372 { |
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373 hoedown_html_renderer_state *state = data->opaque; |
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374 if (!link || !link->size) return 0; |
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375 |
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376 HOEDOWN_BUFPUTSL(ob, "<img src=\""); |
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377 escape_href(ob, link->data, link->size); |
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378 HOEDOWN_BUFPUTSL(ob, "\" alt=\""); |
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379 |
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380 if (alt && alt->size) |
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381 escape_html(ob, alt->data, alt->size); |
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382 |
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383 if (title && title->size) { |
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384 HOEDOWN_BUFPUTSL(ob, "\" title=\""); |
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385 escape_html(ob, title->data, title->size); } |
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386 |
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387 hoedown_buffer_puts(ob, USE_XHTML(state) ? "\"/>" : "\">"); |
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388 return 1; |
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389 } |
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390 |
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391 static int |
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392 rndr_raw_html(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data) |
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393 { |
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394 hoedown_html_renderer_state *state = data->opaque; |
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395 |
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396 /* ESCAPE overrides SKIP_HTML. It doesn't look to see if |
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397 * there are any valid tags, just escapes all of them. */ |
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398 if((state->flags & HOEDOWN_HTML_ESCAPE) != 0) { |
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399 escape_html(ob, text->data, text->size); |
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400 return 1; |
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401 } |
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402 |
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403 if ((state->flags & HOEDOWN_HTML_SKIP_HTML) != 0) |
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404 return 1; |
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405 |
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406 hoedown_buffer_put(ob, text->data, text->size); |
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407 return 1; |
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408 } |
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409 |
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410 static void |
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411 rndr_table(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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412 { |
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413 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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414 HOEDOWN_BUFPUTSL(ob, "<table>\n"); |
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415 hoedown_buffer_put(ob, content->data, content->size); |
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416 HOEDOWN_BUFPUTSL(ob, "</table>\n"); |
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417 } |
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418 |
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419 static void |
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420 rndr_table_header(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
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421 { |
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422 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
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423 HOEDOWN_BUFPUTSL(ob, "<thead>\n"); |
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424 hoedown_buffer_put(ob, content->data, content->size); |
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425 HOEDOWN_BUFPUTSL(ob, "</thead>\n"); |
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426 } |
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427 |
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428 static void |
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429 rndr_table_body(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
|
|
430 { |
|
|
431 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
|
|
432 HOEDOWN_BUFPUTSL(ob, "<tbody>\n"); |
|
|
433 hoedown_buffer_put(ob, content->data, content->size); |
|
|
434 HOEDOWN_BUFPUTSL(ob, "</tbody>\n"); |
|
|
435 } |
|
|
436 |
|
|
437 static void |
|
|
438 rndr_tablerow(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
|
|
439 { |
|
|
440 HOEDOWN_BUFPUTSL(ob, "<tr>\n"); |
|
|
441 if (content) hoedown_buffer_put(ob, content->data, content->size); |
|
|
442 HOEDOWN_BUFPUTSL(ob, "</tr>\n"); |
|
|
443 } |
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|
444 |
|
|
445 static void |
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|
446 rndr_tablecell(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_table_flags flags, const hoedown_renderer_data *data) |
|
|
447 { |
|
|
448 if (flags & HOEDOWN_TABLE_HEADER) { |
|
|
449 HOEDOWN_BUFPUTSL(ob, "<th"); |
|
|
450 } else { |
|
|
451 HOEDOWN_BUFPUTSL(ob, "<td"); |
|
|
452 } |
|
|
453 |
|
|
454 switch (flags & HOEDOWN_TABLE_ALIGNMASK) { |
|
|
455 case HOEDOWN_TABLE_ALIGN_CENTER: |
|
|
456 HOEDOWN_BUFPUTSL(ob, " style=\"text-align: center\">"); |
|
|
457 break; |
|
|
458 |
|
|
459 case HOEDOWN_TABLE_ALIGN_LEFT: |
|
|
460 HOEDOWN_BUFPUTSL(ob, " style=\"text-align: left\">"); |
|
|
461 break; |
|
|
462 |
|
|
463 case HOEDOWN_TABLE_ALIGN_RIGHT: |
|
|
464 HOEDOWN_BUFPUTSL(ob, " style=\"text-align: right\">"); |
|
|
465 break; |
|
|
466 |
|
|
467 default: |
|
|
468 HOEDOWN_BUFPUTSL(ob, ">"); |
|
|
469 } |
|
|
470 |
|
|
471 if (content) |
|
|
472 hoedown_buffer_put(ob, content->data, content->size); |
|
|
473 |
|
|
474 if (flags & HOEDOWN_TABLE_HEADER) { |
|
|
475 HOEDOWN_BUFPUTSL(ob, "</th>\n"); |
|
|
476 } else { |
|
|
477 HOEDOWN_BUFPUTSL(ob, "</td>\n"); |
|
|
478 } |
|
|
479 } |
|
|
480 |
|
|
481 static int |
|
|
482 rndr_superscript(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
|
|
483 { |
|
|
484 if (!content || !content->size) return 0; |
|
|
485 HOEDOWN_BUFPUTSL(ob, "<sup>"); |
|
|
486 hoedown_buffer_put(ob, content->data, content->size); |
|
|
487 HOEDOWN_BUFPUTSL(ob, "</sup>"); |
|
|
488 return 1; |
|
|
489 } |
|
|
490 |
|
|
491 static void |
|
|
492 rndr_normal_text(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
|
|
493 { |
|
|
494 if (content) |
|
|
495 escape_html(ob, content->data, content->size); |
|
|
496 } |
|
|
497 |
|
|
498 static void |
|
|
499 rndr_footnotes(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data) |
|
|
500 { |
|
|
501 hoedown_html_renderer_state *state = data->opaque; |
|
|
502 |
|
|
503 if (ob->size) hoedown_buffer_putc(ob, '\n'); |
|
|
504 HOEDOWN_BUFPUTSL(ob, "<div class=\"footnotes\">\n"); |
|
|
505 hoedown_buffer_puts(ob, USE_XHTML(state) ? "<hr/>\n" : "<hr>\n"); |
|
|
506 HOEDOWN_BUFPUTSL(ob, "<ol>\n"); |
|
|
507 |
|
|
508 if (content) hoedown_buffer_put(ob, content->data, content->size); |
|
|
509 |
|
|
510 HOEDOWN_BUFPUTSL(ob, "\n</ol>\n</div>\n"); |
|
|
511 } |
|
|
512 |
|
|
513 static void |
|
|
514 rndr_footnote_def(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data) |
|
|
515 { |
|
|
516 size_t i = 0; |
|
|
517 int pfound = 0; |
|
|
518 |
|
|
519 /* insert anchor at the end of first paragraph block */ |
|
|
520 if (content) { |
|
|
521 while ((i+3) < content->size) { |
|
|
522 if (content->data[i++] != '<') continue; |
|
|
523 if (content->data[i++] != '/') continue; |
|
|
524 if (content->data[i++] != 'p' && content->data[i] != 'P') continue; |
|
|
525 if (content->data[i] != '>') continue; |
|
|
526 i -= 3; |
|
|
527 pfound = 1; |
|
|
528 break; |
|
|
529 } |
|
|
530 } |
|
|
531 |
|
|
532 hoedown_buffer_printf(ob, "\n<li id=\"fn%d\">\n", num); |
|
|
533 if (pfound) { |
|
|
534 hoedown_buffer_put(ob, content->data, i); |
|
|
535 hoedown_buffer_printf(ob, " <a href=\"#fnref%d\" rev=\"footnote\">↩</a>", num); |
|
|
536 hoedown_buffer_put(ob, content->data + i, content->size - i); |
|
|
537 } else if (content) { |
|
|
538 hoedown_buffer_put(ob, content->data, content->size); |
|
|
539 } |
|
|
540 HOEDOWN_BUFPUTSL(ob, "</li>\n"); |
|
|
541 } |
|
|
542 |
|
|
543 static int |
|
|
544 rndr_footnote_ref(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data) |
|
|
545 { |
|
|
546 hoedown_buffer_printf(ob, "<sup id=\"fnref%d\"><a href=\"#fn%d\" rel=\"footnote\">%d</a></sup>", num, num, num); |
|
|
547 return 1; |
|
|
548 } |
|
|
549 |
|
|
550 static int |
|
|
551 rndr_math(hoedown_buffer *ob, const hoedown_buffer *text, int displaymode, const hoedown_renderer_data *data) |
|
|
552 { |
|
|
553 hoedown_buffer_put(ob, (const uint8_t *)(displaymode ? "\\[" : "\\("), 2); |
|
|
554 escape_html(ob, text->data, text->size); |
|
|
555 hoedown_buffer_put(ob, (const uint8_t *)(displaymode ? "\\]" : "\\)"), 2); |
|
|
556 return 1; |
|
|
557 } |
|
|
558 |
|
|
559 static void |
|
|
560 toc_header(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data) |
|
|
561 { |
|
|
562 hoedown_html_renderer_state *state = data->opaque; |
|
|
563 |
|
|
564 if (level <= state->toc_data.nesting_level) { |
|
|
565 /* set the level offset if this is the first header |
|
|
566 * we're parsing for the document */ |
|
|
567 if (state->toc_data.current_level == 0) |
|
|
568 state->toc_data.level_offset = level - 1; |
|
|
569 |
|
|
570 level -= state->toc_data.level_offset; |
|
|
571 |
|
|
572 if (level > state->toc_data.current_level) { |
|
|
573 while (level > state->toc_data.current_level) { |
|
|
574 HOEDOWN_BUFPUTSL(ob, "<ul>\n<li>\n"); |
|
|
575 state->toc_data.current_level++; |
|
|
576 } |
|
|
577 } else if (level < state->toc_data.current_level) { |
|
|
578 HOEDOWN_BUFPUTSL(ob, "</li>\n"); |
|
|
579 while (level < state->toc_data.current_level) { |
|
|
580 HOEDOWN_BUFPUTSL(ob, "</ul>\n</li>\n"); |
|
|
581 state->toc_data.current_level--; |
|
|
582 } |
|
|
583 HOEDOWN_BUFPUTSL(ob,"<li>\n"); |
|
|
584 } else { |
|
|
585 HOEDOWN_BUFPUTSL(ob,"</li>\n<li>\n"); |
|
|
586 } |
|
|
587 |
|
|
588 hoedown_buffer_printf(ob, "<a href=\"#toc_%d\">", state->toc_data.header_count++); |
|
|
589 if (content) hoedown_buffer_put(ob, content->data, content->size); |
|
|
590 HOEDOWN_BUFPUTSL(ob, "</a>\n"); |
|
|
591 } |
|
|
592 } |
|
|
593 |
|
|
594 static int |
|
|
595 toc_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data) |
|
|
596 { |
|
|
597 if (content && content->size) hoedown_buffer_put(ob, content->data, content->size); |
|
|
598 return 1; |
|
|
599 } |
|
|
600 |
|
|
601 static void |
|
|
602 toc_finalize(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data) |
|
|
603 { |
|
|
604 hoedown_html_renderer_state *state; |
|
|
605 |
|
|
606 if (inline_render) |
|
|
607 return; |
|
|
608 |
|
|
609 state = data->opaque; |
|
|
610 |
|
|
611 while (state->toc_data.current_level > 0) { |
|
|
612 HOEDOWN_BUFPUTSL(ob, "</li>\n</ul>\n"); |
|
|
613 state->toc_data.current_level--; |
|
|
614 } |
|
|
615 |
|
|
616 state->toc_data.header_count = 0; |
|
|
617 } |
|
|
618 |
|
|
619 hoedown_renderer * |
|
|
620 hoedown_html_toc_renderer_new(int nesting_level) |
|
|
621 { |
|
|
622 static const hoedown_renderer cb_default = { |
|
|
623 NULL, |
|
|
624 |
|
|
625 NULL, |
|
|
626 NULL, |
|
|
627 toc_header, |
|
|
628 NULL, |
|
|
629 NULL, |
|
|
630 NULL, |
|
|
631 NULL, |
|
|
632 NULL, |
|
|
633 NULL, |
|
|
634 NULL, |
|
|
635 NULL, |
|
|
636 NULL, |
|
|
637 NULL, |
|
|
638 NULL, |
|
|
639 NULL, |
|
|
640 |
|
|
641 NULL, |
|
|
642 rndr_codespan, |
|
|
643 rndr_double_emphasis, |
|
|
644 rndr_emphasis, |
|
|
645 rndr_underline, |
|
|
646 rndr_highlight, |
|
|
647 rndr_quote, |
|
|
648 NULL, |
|
|
649 NULL, |
|
|
650 toc_link, |
|
|
651 rndr_triple_emphasis, |
|
|
652 rndr_strikethrough, |
|
|
653 rndr_superscript, |
|
|
654 NULL, |
|
|
655 NULL, |
|
|
656 NULL, |
|
|
657 |
|
|
658 NULL, |
|
|
659 rndr_normal_text, |
|
|
660 |
|
|
661 NULL, |
|
|
662 toc_finalize |
|
|
663 }; |
|
|
664 |
|
|
665 hoedown_html_renderer_state *state; |
|
|
666 hoedown_renderer *renderer; |
|
|
667 |
|
|
668 /* Prepare the state pointer */ |
|
|
669 state = hoedown_malloc(sizeof(hoedown_html_renderer_state)); |
|
|
670 memset(state, 0x0, sizeof(hoedown_html_renderer_state)); |
|
|
671 |
|
|
672 state->toc_data.nesting_level = nesting_level; |
|
|
673 |
|
|
674 /* Prepare the renderer */ |
|
|
675 renderer = hoedown_malloc(sizeof(hoedown_renderer)); |
|
|
676 memcpy(renderer, &cb_default, sizeof(hoedown_renderer)); |
|
|
677 |
|
|
678 renderer->opaque = state; |
|
|
679 return renderer; |
|
|
680 } |
|
|
681 |
|
|
682 hoedown_renderer * |
|
|
683 hoedown_html_renderer_new(hoedown_html_flags render_flags, int nesting_level) |
|
|
684 { |
|
|
685 static const hoedown_renderer cb_default = { |
|
|
686 NULL, |
|
|
687 |
|
|
688 rndr_blockcode, |
|
|
689 rndr_blockquote, |
|
|
690 rndr_header, |
|
|
691 rndr_hrule, |
|
|
692 rndr_list, |
|
|
693 rndr_listitem, |
|
|
694 rndr_paragraph, |
|
|
695 rndr_table, |
|
|
696 rndr_table_header, |
|
|
697 rndr_table_body, |
|
|
698 rndr_tablerow, |
|
|
699 rndr_tablecell, |
|
|
700 rndr_footnotes, |
|
|
701 rndr_footnote_def, |
|
|
702 rndr_raw_block, |
|
|
703 |
|
|
704 rndr_autolink, |
|
|
705 rndr_codespan, |
|
|
706 rndr_double_emphasis, |
|
|
707 rndr_emphasis, |
|
|
708 rndr_underline, |
|
|
709 rndr_highlight, |
|
|
710 rndr_quote, |
|
|
711 rndr_image, |
|
|
712 rndr_linebreak, |
|
|
713 rndr_link, |
|
|
714 rndr_triple_emphasis, |
|
|
715 rndr_strikethrough, |
|
|
716 rndr_superscript, |
|
|
717 rndr_footnote_ref, |
|
|
718 rndr_math, |
|
|
719 rndr_raw_html, |
|
|
720 |
|
|
721 NULL, |
|
|
722 rndr_normal_text, |
|
|
723 |
|
|
724 NULL, |
|
|
725 NULL |
|
|
726 }; |
|
|
727 |
|
|
728 hoedown_html_renderer_state *state; |
|
|
729 hoedown_renderer *renderer; |
|
|
730 |
|
|
731 /* Prepare the state pointer */ |
|
|
732 state = hoedown_malloc(sizeof(hoedown_html_renderer_state)); |
|
|
733 memset(state, 0x0, sizeof(hoedown_html_renderer_state)); |
|
|
734 |
|
|
735 state->flags = render_flags; |
|
|
736 state->toc_data.nesting_level = nesting_level; |
|
|
737 |
|
|
738 /* Prepare the renderer */ |
|
|
739 renderer = hoedown_malloc(sizeof(hoedown_renderer)); |
|
|
740 memcpy(renderer, &cb_default, sizeof(hoedown_renderer)); |
|
|
741 |
|
|
742 if (render_flags & HOEDOWN_HTML_SKIP_HTML || render_flags & HOEDOWN_HTML_ESCAPE) |
|
|
743 renderer->blockhtml = NULL; |
|
|
744 |
|
|
745 renderer->opaque = state; |
|
|
746 return renderer; |
|
|
747 } |
|
|
748 |
|
|
749 void |
|
|
750 hoedown_html_renderer_free(hoedown_renderer *renderer) |
|
|
751 { |
|
|
752 free(renderer->opaque); |
|
|
753 free(renderer); |
|
|
754 } |
