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scid: first index page in javascript
author David Demelier <markand@malikania.fr>
date Thu, 04 Aug 2022 14:13:58 +0200
parents 4c16bb25e4f1
children 43333d18e4b8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <assert.h>
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2 #include <errno.h>
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3 #include <limits.h>
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4 #include <string.h>
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5
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6 #include <duktape.h>
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7 #include <jansson.h>
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8 #include <mustache.h>
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9
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10 #include "log.h"
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11 #include "scid.h"
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12 #include "theme.h"
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13 #include "util.h"
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14
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15 #define SIGNATURE DUK_HIDDEN_SYMBOL("File")
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16
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17 struct theme {
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18 char base[PATH_MAX];
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19 duk_context *ctx;
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20 };
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21
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22 /* {{{ mustache support */
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23
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24 static void
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25 mch_parse_error(int code, const char *msg, unsigned int line, unsigned int col, void *data)
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26 {
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27 (void)code;
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29 const char *path = data;
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30
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31 log_warn("theme: %s:%u:%u:%s", path, line, col, msg);
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32 }
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33
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34 static int
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35 mch_out_verbatim(const char *output, size_t size, void *data)
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36 {
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37 FILE *fp = data;
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38
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39 if (fwrite(output, 1, size, fp) != size)
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40 return -1;
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41
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42 return 0;
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43 }
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44
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45 static int
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46 mch_out_escaped(const char *output, size_t size, void *data)
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47 {
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48 FILE *fp = data;
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49
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50 for (size_t i = 0; i < size; ++i) {
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51 switch (output[i]) {
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52 case '"':
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53 if (mch_out_verbatim("&quot;", 6, fp) < 0)
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54 return -1;
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55 break;
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56 case '&':
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57 if (mch_out_verbatim("&amp;", 5, fp) < 0)
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58 return -1;
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59 break;
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60 case '<':
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61 if (mch_out_verbatim("&lt;", 4, fp) < 0)
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62 return -1;
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63 break;
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64 case '>':
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65 if (mch_out_verbatim("&gt;", 4, fp) < 0)
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66 return -1;
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67 break;
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68 default:
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69 if (mch_out_verbatim(&output[i], 1, fp) <0)
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70 return -1;
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71 break;
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72 }
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73 }
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74
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75 return 0;
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76 }
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77
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78 static inline int
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79 mch_out_int(FILE *fp, intmax_t val)
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80 {
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81 char buf[64] = {0};
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82
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83 snprintf(buf, sizeof (buf), "%jd", val);
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84
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85 return mch_out_verbatim(buf, strlen(buf), fp);
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86 }
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87
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88 static inline int
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89 mch_out_double(FILE *fp, double val)
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90 {
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91 char buf[64] = {0};
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92
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93 snprintf(buf, sizeof (buf), "%f", val);
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94
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95 return mch_out_verbatim(buf, strlen(buf), fp);
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96 }
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97
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98 static int
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99 mch_dump(void *node, int (*outputter)(const char *, size_t, void *), void *rdata, void *pdata)
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100 {
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101 (void)pdata;
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102
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103 FILE *fp = rdata;
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104 const json_t *value = node;
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105
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106 switch (json_typeof(value)) {
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107 case JSON_OBJECT:
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108 case JSON_ARRAY:
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109 /* This indicates a document construction error. */
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110 // TODO: change to error log.
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111 abort();
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112 break;
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113 case JSON_STRING:
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114 return outputter(json_string_value(value), json_string_length(value), fp);
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115 case JSON_INTEGER:
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116 return mch_out_int(fp, json_integer_value(value));
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117 case JSON_REAL:
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118 return mch_out_double(fp, json_real_value(value));
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119 case JSON_TRUE:
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120 return mch_out_verbatim("true", 4, fp);
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121 case JSON_FALSE:
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122 return mch_out_verbatim("false", 5, fp);
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123 default:
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124 break;
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125 }
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126
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127 return 0;
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128 }
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129
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130 static void *
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131 mch_get_root(void *pdata)
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132 {
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133 return pdata;
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134 }
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135
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136 static void *
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137 mch_get_child_by_name(void *node, const char *name, size_t size, void *pdata)
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138 {
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139 (void)pdata;
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140
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141 json_t *value = node;
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142
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143 #if 0
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144 printf("-> Seeking name '%.*s'\n", (int)size, name);
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145 printf("-> Type of node: %d (%p)\n", json_typeof(value), value);
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146 #endif
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147
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148 if (json_is_object(value))
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David Demelier <markand@malikania.fr>
parents: 28
diff changeset
149 return json_object_getn(node, name, size);
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David Demelier <markand@malikania.fr>
parents: 28
diff changeset
150
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
151 return NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
152 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
153
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
154 static void *
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
155 mch_get_child_by_index(void *node, unsigned int index, void *pdata)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
156 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
157 (void)pdata;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
158
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
159 json_t *value = node;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
160
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
161 #if 0
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
162 printf("-> Seeking index '%u'\n", index);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
163 printf("-> Type of node: %d (%p)\n", json_typeof(value), value);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
164 #endif
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
165
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
166 if (json_is_array(value))
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
167 return json_array_get(node, index);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
168
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
169 return NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
170 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
171
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
172 static MUSTACHE_TEMPLATE *
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
173 mch_get_partial(const char *name, size_t size, void *pdata)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
174 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
175 (void)name;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
176 (void)size;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
177 (void)pdata;
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David Demelier <markand@malikania.fr>
parents: 28
diff changeset
178
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
179 return NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
180 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
181
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David Demelier <markand@malikania.fr>
parents: 28
diff changeset
182 static int
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
183 mch_process(const char *path, const char *input, FILE *fp, json_t *doc)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
184 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
185 MUSTACHE_PARSER parser = {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
186 .parse_error = mch_parse_error
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
187 };
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
188 MUSTACHE_RENDERER rdr = {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
189 .out_verbatim = mch_out_verbatim,
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
190 .out_escaped = mch_out_escaped
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
191 };
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
192 MUSTACHE_DATAPROVIDER pv = {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
193 .dump = mch_dump,
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
194 .get_root = mch_get_root,
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
195 .get_child_by_name = mch_get_child_by_name,
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
196 .get_child_by_index = mch_get_child_by_index,
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
197 .get_partial = mch_get_partial
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
198 };
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
199 MUSTACHE_TEMPLATE *tmpl;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
200 int status;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
201
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
202 if (!(tmpl = mustache_compile(input, strlen(input), &parser, (void *)path, 0)))
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
203 return -1;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
204
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
205 status = mustache_process(tmpl, &rdr, fp, &pv, doc);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
206 mustache_release(tmpl);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
207
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
208 return status ? -1 : 0;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
209 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
210
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
211 void
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
212 mch_templatize(FILE *fp, const char *path, json_t *doc)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
213 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
214 assert(path);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
215
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
216 char *in = NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
217
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
218 if ((in = util_read(path))) {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
219 /* Process template but don't return a partially written file. */
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
220 if (mch_process(path, in, fp, doc) < 0)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
221 log_warn("theme: mustache error %s", path);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
222
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
223 free(in);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
224 } else
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
225 log_warn("theme: %s: %s", path, strerror(errno));
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
226 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
227
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
228 /* }}} */
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
229
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
230 /* {{{ Scid module */
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
231
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
232 static duk_ret_t
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
233 Scid_render(duk_context *ctx)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
234 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
235 FILE *fp = duk_require_pointer(ctx, 0);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
236 const char *path = duk_require_string(ctx, 1);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
237 const char *json = duk_json_encode(ctx, 2);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
238 json_t *doc = NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
239 json_error_t err;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
240
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
241 if (json && !(doc = json_loads(json, 0, &err)))
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
242 return duk_error(ctx, DUK_ERR_ERROR, "%d:%d:%s", err.line, err.column, err.text);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
243
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
244 mch_templatize(fp, theme_path(scid.theme, path), doc);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
245
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
246 if (doc)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
247 json_decref(doc);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
248
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
249 return 0;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
250 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
251
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
252 static duk_ret_t
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
253 Scid_print(duk_context *ctx)
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
254 {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
255 puts(duk_require_string(ctx, 0));
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
256
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
257 return 0;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
258 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
259
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
260 static const duk_function_list_entry functions[] = {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
261 { "render", Scid_render, 3 },
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
262 { "print", Scid_print, 1 },
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
263 { NULL, NULL, 0 }
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
264 };
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
265
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
266 /* }}} */
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
267
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
268 static char *
29
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
269 call(struct theme *t, json_t *json, const char *function)
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
270 {
29
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
271 char *out = NULL, *dump = NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
272 size_t outsz = 0;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
273 FILE *fp = NULL;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
274 int nargs = 1;
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
275
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
276 duk_get_global_string(t->ctx, function);
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
277
29
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
278 if (!duk_is_callable(t->ctx, -1))
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
279 goto over;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
280 if (!(fp = open_memstream(&out, &outsz)))
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
281 goto over;
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
282
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
283 duk_push_pointer(t->ctx, fp);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
284
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
285 if (json && (dump = json_dumps(json, JSON_COMPACT))) {
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
286 duk_push_string(t->ctx, dump);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
287 duk_json_decode(t->ctx, -1);
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
288 nargs++;
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
289 }
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
290
29
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
291 if (duk_pcall(t->ctx, nargs) != 0)
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
292 log_warn("theme: %s", duk_safe_to_string(t->ctx, -1));
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
diff changeset
293
29
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
294 over:
695637f1d8a7 scid: first index page in javascript
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
295 duk_pop(t->ctx);
28
4c16bb25e4f1 scid: implement themes in javascript
David Demelier <markand@malikania.fr>
parents:
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296
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297 /*
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298 * For convenience, otherwise all callers have to check for non-NULL
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299 * after calling the function.
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300 */
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301 free(dump);
28
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302
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303 if (fp)
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304 fclose(fp);
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305 if (!out)
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306 out = util_strdup("");
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307
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308 return out;
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309 }
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310
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311 const char *
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312 theme_path(struct theme *t, const char *filename)
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313 {
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314 assert(filename);
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315
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316 /* Build path to the template file. */
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317 static _Thread_local char path[PATH_MAX];
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318
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319 snprintf(path, sizeof (path), "%s/%s", t->base, filename);
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320
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321 return path;
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322 }
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323
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324 struct theme *
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325 theme_open(const char *directory)
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326 {
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327 assert(directory);
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328
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329 struct theme *t;
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330 char themefile[PATH_MAX], *data;
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331
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332 t = util_calloc(1, sizeof (*t));
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333 t->ctx = duk_create_heap_default();
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334 util_strlcpy(t->base, directory, sizeof (t->base));
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335
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336 /* Open theme.js in the directory. */
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337 snprintf(themefile, sizeof (themefile), "%s/theme.js", t->base);
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338
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339 if (!(data = util_read(themefile)))
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340 log_warn("theme: %s: %s", themefile, strerror(errno));
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341 else {
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342 if (duk_peval_string(t->ctx, data) != 0)
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343 log_warn("theme: %s", duk_safe_to_string(t->ctx, -1));
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344
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345 duk_pop(t->ctx);
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346 duk_push_object(t->ctx);
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347 duk_put_function_list(t->ctx, -1, functions);
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348 duk_put_global_string(t->ctx, "Scid");
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349 free(data);
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350 }
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351
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352 return t;
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353 }
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354
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355 char *
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356 theme_page_index(struct theme *t, json_t *json)
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357 {
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358 assert(t);
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359
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360 return call(t, json, "onPageIndex");
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361 }
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362
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363 char *
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364 theme_page_status(struct theme *t, enum khttp status)
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365 {
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366 assert(t);
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367
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368 (void)t;
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369 (void)status;
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370
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371 #if 0
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372 return call(t, json, "onPageStatus");
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373 #endif
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374 return "ERROR";
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375 }
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376
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377 void
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378 theme_free(struct theme *t)
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379 {
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380 assert(t);
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381
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382 duk_destroy_heap(t->ctx);
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383 }