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1 | office | 1 | /** |
2 | * @file NCDValGenerator.c |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include <stdlib.h> |
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31 | #include <string.h> |
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32 | #include <inttypes.h> |
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33 | |||
34 | #include <misc/debug.h> |
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35 | #include <misc/expstring.h> |
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36 | #include <base/BLog.h> |
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37 | |||
38 | #include "NCDValGenerator.h" |
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39 | |||
40 | #include <generated/blog_channel_NCDValGenerator.h> |
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41 | |||
42 | static int generate_val (NCDValRef value, ExpString *out_str) |
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43 | { |
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44 | ASSERT(!NCDVal_IsInvalid(value)) |
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45 | |||
46 | switch (NCDVal_Type(value)) { |
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47 | case NCDVAL_STRING: { |
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48 | if (!ExpString_AppendChar(out_str, '"')) { |
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49 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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50 | goto fail; |
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51 | } |
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52 | |||
53 | MEMREF_LOOP_CHARS(NCDVal_StringMemRef(value), char_pos, ch, { |
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54 | if (ch == '\0') { |
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55 | char buf[5]; |
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56 | snprintf(buf, sizeof(buf), "\\x%02"PRIx8, (uint8_t)ch); |
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57 | |||
58 | if (!ExpString_Append(out_str, buf)) { |
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59 | BLog(BLOG_ERROR, "ExpString_Append failed"); |
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60 | goto fail; |
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61 | } |
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62 | |||
63 | goto next_char; |
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64 | } |
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65 | |||
66 | if (ch == '"' || ch == '\\') { |
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67 | if (!ExpString_AppendChar(out_str, '\\')) { |
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68 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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69 | goto fail; |
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70 | } |
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71 | } |
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72 | |||
73 | if (!ExpString_AppendChar(out_str, ch)) { |
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74 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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75 | goto fail; |
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76 | } |
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77 | next_char:; |
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78 | }) |
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79 | |||
80 | if (!ExpString_AppendChar(out_str, '"')) { |
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81 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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82 | goto fail; |
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83 | } |
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84 | } break; |
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85 | |||
86 | case NCDVAL_LIST: { |
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87 | size_t count = NCDVal_ListCount(value); |
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88 | |||
89 | if (!ExpString_AppendChar(out_str, '{')) { |
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90 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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91 | goto fail; |
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92 | } |
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93 | |||
94 | for (size_t i = 0; i < count; i++) { |
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95 | if (i > 0) { |
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96 | if (!ExpString_Append(out_str, ", ")) { |
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97 | BLog(BLOG_ERROR, "ExpString_Append failed"); |
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98 | goto fail; |
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99 | } |
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100 | } |
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101 | |||
102 | if (!generate_val(NCDVal_ListGet(value, i), out_str)) { |
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103 | goto fail; |
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104 | } |
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105 | } |
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106 | |||
107 | if (!ExpString_AppendChar(out_str, '}')) { |
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108 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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109 | goto fail; |
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110 | } |
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111 | } break; |
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112 | |||
113 | case NCDVAL_MAP: { |
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114 | if (!ExpString_AppendChar(out_str, '[')) { |
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115 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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116 | goto fail; |
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117 | } |
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118 | |||
119 | int is_first = 1; |
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120 | |||
121 | for (NCDValMapElem e = NCDVal_MapOrderedFirst(value); !NCDVal_MapElemInvalid(e); e = NCDVal_MapOrderedNext(value, e)) { |
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122 | NCDValRef ekey = NCDVal_MapElemKey(value, e); |
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123 | NCDValRef eval = NCDVal_MapElemVal(value, e); |
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124 | |||
125 | if (!is_first) { |
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126 | if (!ExpString_Append(out_str, ", ")) { |
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127 | BLog(BLOG_ERROR, "ExpString_Append failed"); |
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128 | goto fail; |
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129 | } |
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130 | } |
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131 | |||
132 | if (!generate_val(ekey, out_str)) { |
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133 | goto fail; |
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134 | } |
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135 | |||
136 | if (!ExpString_AppendChar(out_str, ':')) { |
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137 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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138 | goto fail; |
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139 | } |
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140 | |||
141 | if (!generate_val(eval, out_str)) { |
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142 | goto fail; |
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143 | } |
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144 | |||
145 | is_first = 0; |
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146 | } |
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147 | |||
148 | if (!ExpString_AppendChar(out_str, ']')) { |
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149 | BLog(BLOG_ERROR, "ExpString_AppendChar failed"); |
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150 | goto fail; |
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151 | } |
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152 | } break; |
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153 | |||
154 | default: ASSERT(0); |
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155 | } |
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156 | |||
157 | return 1; |
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158 | |||
159 | fail: |
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160 | return 0; |
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161 | } |
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162 | |||
163 | char * NCDValGenerator_Generate (NCDValRef value) |
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164 | { |
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165 | ASSERT(!NCDVal_IsInvalid(value)) |
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166 | |||
167 | ExpString str; |
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168 | if (!ExpString_Init(&str)) { |
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169 | BLog(BLOG_ERROR, "ExpString_Init failed"); |
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170 | goto fail0; |
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171 | } |
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172 | |||
173 | if (!generate_val(value, &str)) { |
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174 | goto fail1; |
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175 | } |
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176 | |||
177 | return ExpString_Get(&str); |
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178 | |||
179 | fail1: |
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180 | ExpString_Free(&str); |
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181 | fail0: |
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182 | return NULL; |
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183 | } |
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184 | |||
185 | int NCDValGenerator_AppendGenerate (NCDValRef value, ExpString *str) |
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186 | { |
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187 | ASSERT(!NCDVal_IsInvalid(value)) |
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188 | ASSERT(str) |
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189 | |||
190 | return generate_val(value, str); |
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191 | } |