Mercurial > projects > mde
annotate mde/mergetag/deserialize.d @ 79:61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Tue, 05 Aug 2008 11:51:51 +0100 |
parents | mde/mergetag/parse/parseTo.d@7fc0a8295c83 |
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7fc0a8295c83
Moved my parseTo and parseFrom modules from tango.scrapple to mde in order to reduce dependencies.
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1 /************************************************************************************************** |
79
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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2 * Generic deserialization templated function. |
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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3 * |
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4 * copyright: Copyright (c) 2007-2008 Diggory Hardy. |
7fc0a8295c83
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5 * |
7fc0a8295c83
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6 * author: Diggory Hardy, diggory.hardy@gmail.com |
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7 * |
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8 * Supports: |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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9 * Associative arrays, arrays (inc. strings), structs, char types, bool, int types, float types. |
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10 * |
7fc0a8295c83
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11 * There are also some public utility functions with their own documentation. |
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12 * |
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13 * Throws: |
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14 * On errors, a ParseException or a UnicodeException (both extend TextException) is thrown with a |
7fc0a8295c83
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15 * suitable message. No other exceptions should be thrown. |
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16 * |
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17 * Examples: |
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18 * ------------------------------------------------------------------------------------------------ |
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19 * // Basic examples: |
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20 * ulong a = deserialize!(ulong) ("20350"); |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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21 * float d = deserialize!(float) (" 1.2e-9 "); |
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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22 * int[] b = deserialize!(int[]) ("[0,1,2,3]"); |
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23 * |
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24 * // String and char[] syntax: |
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25 * char[] c = deserialize!(char[]) ("\"A string\""); |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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26 * char[] e = deserialize!(char[]) ("['a','n','o','t','h','e','r', ' ' ,'s','t','r','i','n','g']"); |
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27 * |
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28 * // These be used interchangably; here's a more complex example of an associative array: |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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29 * bool[char[]] f = deserialize!(bool[char[]]) ("[ \"one\":true, ['t','w','o']:false, \"three\":1, \"four\":000 ]"); |
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30 * |
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31 * // There is also a special notation for ubyte[] types: |
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32 * // The digits following 0x must be in pairs and each specify one ubyte. |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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33 * assert ( deserialize!(ubyte[]) (`0x01F2AC`) == deserialize!(ubyte[]) (`[01 ,0xF2, 0xAC]`) ); |
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34 * |
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35 * // There's no limit to the complexity! |
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36 * char[char[][][][char]][bool] z = ...; // don't expect me to write this! |
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37 * ------------------------------------------------------------------------------------------------ |
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38 * |
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39 * TODO: Optimize memory allocation (if possible?). Test best sizes for initial allocations |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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40 * instead of merely guessing? |
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41 *************************************************************************************************/ |
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42 //NOTE: in case of multiple formats, make this a dummy module importing both serialize modules, |
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43 // or put all the code here. |
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44 module mde.mergetag.deserialize; |
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45 |
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46 // tango imports |
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47 import tango.core.Exception : TextException, UnicodeException; |
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48 import cInt = tango.text.convert.Integer; |
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49 import cFloat = tango.text.convert.Float; |
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50 import Utf = tango.text.convert.Utf; |
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51 import Util = tango.text.Util; |
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52 |
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53 /** |
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54 * Base class for deserialize exceptions. |
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55 */ |
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56 class ParseException : TextException |
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57 { |
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58 this( char[] msg ) |
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59 { |
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60 super( msg ); |
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61 } |
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62 } |
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63 |
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64 alias deserialize parseTo; // support the old name |
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65 |
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66 //BEGIN deserialize templates |
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67 |
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68 // Associative arrays |
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69 |
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70 T[S] deserialize(T : T[S], S) (char[] src) { |
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71 src = Util.trim(src); |
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72 if (src.length < 2 || src[0] != '[' || src[$-1] != ']') |
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73 throw new ParseException ("Invalid associative array: not [ ... ]"); // bad braces. |
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74 |
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75 T[S] ret; |
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76 foreach (char[] pair; split (src[1..$-1])) { |
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77 uint i = 0; |
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78 while (i < pair.length) { // advance to the ':' |
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79 char c = pair[i]; |
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80 if (c == ':') break; |
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81 if (c == '\'' || c == '"') { // string or character |
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82 ++i; |
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83 while (i < pair.length && pair[i] != c) { |
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84 if (pair[i] == '\\') |
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85 ++i; // escape seq. |
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86 ++i; |
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87 } |
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88 // Could have an unterminated ' or " causing i >= pair.length, but: |
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89 // 1. Impossible: split would have thrown |
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90 // 2. In any case this would be caught below. |
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91 } |
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92 ++i; |
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93 } |
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94 if (i >= pair.length) |
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95 throw new ParseException ("Invalid associative array: encountered [ ... KEY] (missing :DATA)"); |
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96 ret[deserialize!(S) (pair[0..i])] = deserialize!(T) (pair[i+1..$]); |
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97 } |
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98 return ret; |
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99 } |
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100 |
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101 |
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102 // Arrays |
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103 |
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104 T[] deserialize(T : T[]) (char[] src) { |
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105 src = Util.trim(src); |
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106 if (src.length >= 2 && src[0] == '[' && src[$-1] == ']') |
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107 return toArray!(T[]) (src); |
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108 throw new ParseException ("Invalid array: not [ ... ]"); |
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109 } |
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110 |
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111 // String (array special case) |
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112 T deserialize(T : char[]) (char[] src) { |
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113 src = Util.trim(src); |
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114 if (src.length >= 2 && src[0] == '"' && src[$-1] == '"') { |
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115 src = src[1..$-1]; |
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116 T ret; |
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117 ret.length = src.length; // maximum length; retract to actual length later |
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118 uint i = 0; |
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119 for (uint t = 0; t < src.length;) { |
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120 // process a block of non-escaped characters |
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121 uint s = t; |
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122 while (t < src.length && src[t] != '\\') ++t; // non-escaped characters |
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123 uint j = i + t - s; |
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124 ret[i..j] = src[s..t]; // copy a block |
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125 i = j; |
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126 |
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127 // process a block of escaped characters |
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128 while (t < src.length && src[t] == '\\') { |
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129 t++; |
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130 if (t == src.length) |
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131 throw new ParseException ("Invalid string: ends \\\" !"); // next char is " |
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132 ret[i++] = unEscapeChar (src[t++]); // throws if it's invalid |
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133 } |
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134 } |
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135 return ret[0..i]; |
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136 } |
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137 else if (src.length >= 2 && src[0] == '[' && src[$-1] == ']') |
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138 return toArray!(T) (src); |
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139 throw new ParseException ("Invalid string: not quoted (\"*\") or char array (['a',...,'c'])"); |
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140 } |
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141 // Unicode conversions for strings: |
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142 T deserialize(T : wchar[]) (char[] src) { |
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143 // May throw a UnicodeException; don't bother catching and rethrowing: |
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144 return Utf.toString16 (deserialize!(char[]) (src)); |
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145 } |
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146 T deserialize(T : dchar[]) (char[] src) { |
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147 // May throw a UnicodeException; don't bother catching and rethrowing: |
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148 return Utf.toString32 (deserialize!(char[]) (src)); |
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149 } |
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150 |
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151 // Binary (array special case) |
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152 T deserialize(T : ubyte[]) (char[] src) { |
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153 src = Util.trim(src); |
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154 // Standard case: |
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155 if (src.length >= 2 && src[0] == '[' && src[$-1] == ']') return toArray!(T) (src); |
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156 // Special case: sequence of hex digits, each pair of which is a ubyte |
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157 if (src.length >= 2 && src[0..2] == "0x") { |
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158 src = src[2..$]; // strip down to actual digits |
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159 |
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160 // Must be in pairs: |
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161 if (src.length % 2 == 1) |
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162 throw new ParseException ("Invalid binary: odd number of chars"); |
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163 |
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164 T ret; |
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165 ret.length = src.length / 2; // exact |
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166 |
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167 for (uint i, pos; pos + 1 < src.length; ++i) { |
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168 ubyte x = readHexChar(src, pos) << 4; |
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169 x |= readHexChar(src, pos); |
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170 ret[i] = x; |
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171 } |
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172 return ret; |
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173 } |
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174 else throw new ParseException ("Invalid ubyte[]: not an array and doesn't start 0x"); |
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175 } |
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176 |
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177 |
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178 // Basic types |
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179 |
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180 // Char |
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181 // Assumes value is <= 127 (for valid UTF-8), since input would be invalid UTF-8 if not anyway. |
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182 // (And we're not really interested in checking for valid unicode; char[] conversions don't either.) |
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183 T deserialize(T : char) (char[] src) { |
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184 src = Util.trim(src); |
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185 if (src.length < 3 || src[0] != '\'' || src[$-1] != '\'') |
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186 throw new ParseException ("Invalid char: not 'x' or '\\x'"); |
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187 if (src[1] != '\\') { |
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188 if (src.length == 3) |
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189 return src[1]; // Either non escaped |
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190 throw new ParseException ("Invalid char: too long (or non-ASCII)"); |
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191 } else if (src.length == 4) |
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192 return unEscapeChar (src[2]); // Or escaped |
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193 |
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194 throw new ParseException ("Invalid char: '\\'"); |
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195 } |
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196 // Basic unicode convertions for wide-chars. |
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197 // Assumes value is <= 127 as does deserialize!(char). |
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198 T deserialize(T : wchar) (char[] src) { |
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199 return cast(T) deserialize!(char) (src); |
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200 } |
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201 T deserialize(T : dchar) (char[] src) { |
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202 return cast(T) deserialize!(char) (src); |
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203 } |
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204 |
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205 // Bool |
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206 T deserialize(T : bool) (char[] src) { |
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207 src = Util.trim(src); |
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208 if (src == "true") |
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209 return true; |
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210 if (src == "false") |
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211 return false; |
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212 uint pos; |
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213 while (src.length > pos && src[pos] == '0') ++pos; // skip leading zeros |
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214 if (src.length == pos && pos > 0) |
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215 return false; |
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216 if (src.length == pos + 1 && src[pos] == '1') |
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217 return true; |
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218 throw new ParseException ("Invalid bool: not true or false and doesn't evaluate to 0 or 1"); |
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219 } |
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220 |
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221 // Ints |
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222 T deserialize(T : byte) (char[] src) { |
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223 return toTInt!(T) (src); |
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224 } |
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225 T deserialize(T : short) (char[] src) { |
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226 return toTInt!(T) (src); |
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227 } |
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228 T deserialize(T : int) (char[] src) { |
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229 return toTInt!(T) (src); |
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230 } |
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231 T deserialize(T : long) (char[] src) { |
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232 return toTInt!(T) (src); |
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233 } |
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234 T deserialize(T : ubyte) (char[] src) { |
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235 return toTInt!(T) (src); |
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236 } |
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237 T deserialize(T : ushort) (char[] src) { |
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238 return toTInt!(T) (src); |
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239 } |
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240 T deserialize(T : uint) (char[] src) { |
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241 return toTInt!(T) (src); |
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242 } |
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243 T deserialize(T : ulong) (char[] src) { |
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244 return toTInt!(T) (src); |
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245 } |
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246 debug (UnitTest) unittest { |
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247 assert (deserialize!(byte) ("-5") == cast(byte) -5); |
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248 // annoyingly, octal syntax differs from D (blame tango): |
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249 assert (deserialize!(uint[]) ("[0b0100,0o724,0xFa59c,0xFFFFFFFF,0]") == [0b0100u,0724,0xFa59c,0xFFFFFFFF,0]); |
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250 } |
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251 |
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252 // Floats |
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253 T deserialize(T : float) (char[] src) { |
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254 return toTFloat!(T) (src); |
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255 } |
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256 T deserialize(T : double) (char[] src) { |
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257 return toTFloat!(T) (src); |
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258 } |
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259 T deserialize(T : real) (char[] src) { |
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260 return toTFloat!(T) (src); |
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261 } |
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262 |
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263 |
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264 // Structs |
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265 T deserialize(T) (char[] src) { |
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266 static assert (is(T == struct), "Unsupported type: "~typeof(T)); |
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267 |
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268 src = Util.trim(src); |
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269 if (src.length < 2 || src[0] != '{' || src[$-1] != '}') |
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270 throw new ParseException ("Invalid struct: not { ... }"); |
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271 |
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272 // cannot access elements of T.tupleof with non-const key, so use a type which can be |
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273 // accessed with a non-const key to store slices: |
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274 char[][T.tupleof.length] temp; |
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275 foreach (char[] pair; split (src[1..$-1])) { |
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276 uint i = 0; |
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277 while (i < pair.length) { // advance to the ':' |
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278 char c = pair[i]; |
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279 if (c == ':') |
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280 break; |
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281 // key must be an int so no need for string checks |
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282 ++i; |
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283 } |
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284 if (i >= pair.length) |
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285 throw new ParseException ("Invalid struct: encountered { ... KEY} (missing :DATA)"); |
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286 |
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287 size_t k = deserialize!(size_t) (pair[0..i]); |
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288 // Note: could check no entry was already stored in temp. |
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289 temp[k] = pair[i+1..$]; |
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290 } |
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291 T ret; |
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292 setStruct (ret, temp); |
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293 return ret; |
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294 } |
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295 //END deserialize templates |
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296 |
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297 //BEGIN Utility funcs |
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298 /** Splits a string into substrings separated by '$(B ,)' with support for characters and strings |
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299 * containing escape sequences and for embedded arrays ($(B [...])). |
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300 * |
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301 * Params: |
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302 * src A string to separate on commas. It shouldn't have enclosing brackets. |
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303 * |
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304 * Returns: |
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305 * An array of substrings within src, excluding commas. Whitespace is not stripped and |
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306 * empty strings may get returned. |
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307 * |
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308 * Remarks: |
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309 * This function is primarily intended for as a utility function for use by the templates |
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310 * parsing arrays and associative arrays, but it may be useful in other cases too. Hence the |
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311 * fact no brackets are stripped from src. |
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312 */ |
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313 //FIXME foreach struct is more efficient |
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314 char[][] split (char[] src) { |
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315 src = Util.trim (src); |
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316 if (src == "") |
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317 return []; // empty array: no elements when no data |
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318 |
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319 uint depth = 0; // surface depth (embedded arrays) |
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320 char[][] ret; |
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321 ret.length = src.length / 3; // unlikely to need a longer array |
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322 uint k = 0; // current split piece |
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323 uint i = 0, j = 0; // current read location, start of current piece |
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324 |
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325 while (i < src.length) { |
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326 char c = src[i]; |
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327 if (c == '\'' || c == '"') { // string or character |
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328 ++i; |
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329 while (i < src.length && src[i] != c) { |
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330 if (src[i] == '\\') |
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331 ++i; // escape seq. |
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332 ++i; |
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333 } // Doesn't throw if no terminal quote at end of src, but this should be caught later. |
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334 } |
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335 else if (c == '[') ++depth; |
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336 else if (c == ']') { |
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337 if (depth) |
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338 --depth; |
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339 else throw new ParseException ("Invalid array literal: closes before end of data item."); |
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340 } |
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341 else if (c == ',' && depth == 0) { // only if not an embedded array |
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342 if (ret.length <= k) |
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343 ret.length = ret.length * 2; |
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344 ret[k++] = src[j..i]; // add this piece and increment k |
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345 j = i + 1; |
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346 } |
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347 ++i; |
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348 } |
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349 if (i > src.length) |
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350 throw new ParseException ("Unterminated quote (\' or \")"); |
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351 |
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352 if (ret.length <= k) |
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353 ret.length = k + 1; |
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354 ret[k] = src[j..i]; // add final piece (i >= j) |
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355 return ret[0..k+1]; |
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356 } |
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357 |
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358 /* Templated read-int function to read (un)signed 1-4 byte integers. |
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359 * |
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360 * Actually a reimplementation of tango.text.convert.Integer toLong and parse functions. |
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361 */ |
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362 private TInt toTInt(TInt) (char[] src) { |
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363 const char[] INT_OUT_OF_RANGE = "Integer out of range"; |
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364 bool sign; |
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365 uint radix, ate, ate2; |
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366 |
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367 // Trim off whitespace. |
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368 // NOTE: Cannot use tango.text.convert.Integer.trim to trim leading whitespace since it doesn't |
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369 // treat new-lines, etc. as whitespace which for our purposes is whitespace. |
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370 src = Util.trim (src); |
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371 |
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372 ate = cInt.trim (src, sign, radix); |
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373 if (ate == src.length) |
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374 throw new ParseException ("Invalid integer: no digits"); |
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375 ulong val = cInt.convert (src[ate..$], radix, &ate2); |
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376 ate += ate2; |
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377 |
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378 if (ate < src.length) |
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379 throw new ParseException ("Invalid integer at marked character: \"" ~ src[0..ate] ~ "'" ~ src[ate] ~ "'" ~ src[ate+1..$] ~ "\""); |
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380 |
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381 if (val > TInt.max) |
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382 throw new ParseException (INT_OUT_OF_RANGE); |
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383 if (sign) { |
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384 long sval = cast(long) -val; |
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385 if (sval > TInt.min) |
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386 return cast(TInt) sval; |
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387 else throw new ParseException (INT_OUT_OF_RANGE); |
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388 } |
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389 return cast(TInt) val; |
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390 } |
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391 |
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392 /* Basically a reimplementation of tango.text.convert.Float.toFloat which checks for |
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393 * whitespace before throwing an exception for overlong input. */ |
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394 private TFloat toTFloat(TFloat) (char[] src) { |
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395 // NOTE: As for toTInt(), this needs to strip leading as well as trailing whitespace. |
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396 src = Util.trim (src); |
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397 if (src == "") |
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398 throw new ParseException ("Invalid float: no digits"); |
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399 uint ate; |
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400 |
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401 TFloat x = cFloat.parse (src, &ate); |
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402 return x; |
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403 } |
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404 |
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405 /* Throws an exception on invalid escape sequences. Supported escape sequences are the following |
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406 * subset of those supported by D: \" \' \\ \a \b \f \n \r \t \v |
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407 */ |
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408 private char unEscapeChar (char c) |
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409 { |
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410 // This code was generated: |
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411 if (c <= 'b') { |
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412 if (c <= '\'') { |
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413 if (c == '\"') { |
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414 return '\"'; |
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415 } else if (c == '\'') { |
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416 return '\''; |
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417 } |
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418 } else { |
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419 if (c == '\\') { |
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420 return '\\'; |
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421 } else if (c == 'a') { |
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422 return '\a'; |
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423 } else if (c == 'b') { |
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424 return '\b'; |
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425 } |
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426 } |
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427 } else { |
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428 if (c <= 'n') { |
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429 if (c == 'f') { |
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430 return '\f'; |
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431 } else if (c == 'n') { |
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432 return '\n'; |
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433 } |
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434 } else { |
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435 if (c == 'r') { |
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436 return '\r'; |
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437 } else if (c == 't') { |
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438 return '\t'; |
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439 } else if (c == 'v') { |
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440 return '\v'; |
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441 } |
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442 } |
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443 } |
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444 |
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445 // if we haven't returned: |
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446 throw new ParseException ("Bad escape sequence: \\"~c); |
70
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447 } |
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448 |
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449 // Reads one hex char: [0-9A-Fa-f]. Otherwise throws an exception. Doesn't check src.length. |
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450 private ubyte readHexChar (char[] src, inout uint pos) { |
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451 ubyte x; |
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452 if (src[pos] >= '0' && src[pos] <= '9') x = src[pos] - '0'; |
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453 else if (src[pos] >= 'A' && src[pos] <= 'F') x = src[pos] - 'A' + 10; |
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454 else if (src[pos] >= 'a' && src[pos] <= 'f') x = src[pos] - 'a' + 10; |
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455 else throw new ParseException ("Invalid hex digit."); |
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456 ++pos; |
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457 return x; |
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458 } |
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459 |
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460 // Generic array reader |
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461 // Assumes input is of form "[xxxxx]" (i.e. first and last chars are '[', ']' and length >= 2). |
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462 private T[] toArray(T : T[]) (char[] src) { |
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463 T[] ret = new T[16]; // avoid unnecessary allocations |
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464 uint i = 0; |
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465 foreach (char[] element; split(src[1..$-1])) { |
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466 if (i == ret.length) ret.length = ret.length * 2; |
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467 ret[i] = deserialize!(T) (element); |
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468 ++i; |
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469 } |
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470 return ret[0..i]; |
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471 } |
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472 |
79
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473 /** Set a struct's elements from an array. |
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474 * |
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475 * For a more generic version, see http://www.dsource.org/projects/tutorials/wiki/StructTupleof |
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476 */ |
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477 // NOTE: Efficiency? Do recursive calls get inlined? |
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478 private void setStruct(S, size_t N, size_t i = 0) (ref S s, char[][N] src) { |
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479 static assert (is(S == struct), "Only to be used with structs."); |
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480 static assert (N == S.tupleof.length, "src.length != S.tupleof.length"); |
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481 static if (i < N) { |
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482 if (src[i]) |
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483 s.tupleof[i] = deserialize!(typeof(s.tupleof[i])) (src[i]); |
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484 setStruct!(S, N, i+1) (s, src); |
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485 } |
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486 } |
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487 //END Utility funcs |
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488 |
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489 debug (UnitTest) { |
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490 import tango.util.log.Log : Log, Logger; |
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491 |
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492 private Logger logger; |
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493 static this() { |
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494 logger = Log.getLogger ("text.deserialize"); |
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495 } |
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496 unittest { |
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497 // Utility |
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498 bool throws (void delegate() dg) { |
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499 bool r = false; |
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500 try { |
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501 dg(); |
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502 } catch (Exception e) { |
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503 r = true; |
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504 logger.info ("Exception caught: "~e.msg); |
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505 } |
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506 return r; |
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507 } |
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508 assert (!throws ({ int i = 5; })); |
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509 assert (throws ({ throw new Exception ("Test - this exception should be caught"); })); |
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510 |
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511 |
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512 // Associative arrays |
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513 char[][char] X = deserialize!(char[][char]) (`['a':"animal\n", 'b':['b','u','s','\n']]`); |
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514 char[][char] Y = ['a':cast(char[])"animal\n", 'b':['b','u','s','\n']]; |
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515 |
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516 //FIXME: when the compiler's fixed: http://d.puremagic.com/issues/show_bug.cgi?id=1671 |
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517 // just assert (X == Y) |
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518 assert (X.length == Y.length); |
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519 assert (X.keys == Y.keys); |
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520 assert (X.values == Y.values); |
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521 //X.rehash; Y.rehash; // doesn't make a difference |
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522 //assert (X == Y); // fails (compiler bug) |
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523 |
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524 assert (throws ({ deserialize!(int[int]) (`[1:1`); })); // bad brackets |
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525 assert (throws ({ deserialize!(int[char[]]) (`["ab\":1]`); })); // unterminated quote |
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526 assert (throws ({ deserialize!(int[char[]]) (`["abc,\a\b\c":1]`); })); // bad escape seq. |
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527 assert (throws ({ deserialize!(int[char[]]) (`["abc"]`); })); // no data |
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528 |
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529 |
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530 // Arrays |
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531 assert (deserialize!(double[]) (`[1.0,1.0e-10]`) == [1.0, 1.0e-10]);// generic array stuff |
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532 assert (deserialize!(double[]) (`[ ]`) == cast(double[]) []); // empty array |
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533 assert (deserialize!(int[][]) (`[[1],[2,3],[]]`) == [[1],[2,3],[]]);// sub-array |
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534 assert (throws ({ deserialize!(int[]) (`[1,2`); })); // bad brackets |
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535 assert (throws ({ deserialize!(int[][]) (`[[1]]]`); })); // bad brackets |
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536 |
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537 // char[] and char conversions, with commas, escape sequences and multichar UTF8 characters: |
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538 assert (deserialize!(char[][]) (`[ ".\"", [',','\''] ,"!\b€" ]`) == [ ".\"".dup, [',','\''] ,"!\b€" ]); |
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539 assert (throws ({ deserialize!(char[]) ("\"\\\""); })); |
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540 assert (throws ({ deserialize!(char[]) (`['a'`); })); // bad brackets |
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541 |
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542 // wchar[] and dchar[] conversions: |
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543 // The characters were pretty-much pulled at random from unicode tables. |
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544 // The last few cause some wierd (display only) effects in my editor. |
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545 assert (deserialize!(wchar[]) ("\"Test string: ¶α؟अกሀ搀\"") == "Test string: ¶α؟अกሀ搀"w); |
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546 assert (deserialize!(dchar[]) ("\"Test string: ¶α؟अกሀ搀\"") == "Test string: ¶α؟अกሀ搀"d); |
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547 |
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548 assert (deserialize!(ubyte[]) (`0x01F2aC`) == cast(ubyte[]) [0x01, 0xF2, 0xAC]); // ubyte[] special notation |
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549 assert (deserialize!(ubyte[]) (`[01 ,0xF2, 0xAC]`) == cast(ubyte[]) [0x01, 0xF2, 0xAC]); // ubyte[] std notation |
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550 assert (throws ({ deserialize!(ubyte[]) (`0x123`); })); // digits not in pairs |
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551 assert (throws ({ deserialize!(ubyte[]) (`[2,5`); })); // not [...] or 0x.. |
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552 assert (throws ({ deserialize!(ubyte[]) (`0x123j`); })); |
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553 |
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554 |
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555 // char types |
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556 assert (deserialize!(char) ("'\\\''") == '\''); |
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557 assert (deserialize!(wchar) ("'X'") == 'X'); |
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558 assert (deserialize!(dchar) ("'X'") == 'X'); |
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559 assert (throws ({ deserialize!(char) ("'\\'"); })); |
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560 assert (throws ({ deserialize!(char) ("'£'"); })); // non-ascii |
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561 assert (throws ({ deserialize!(char) ("''"); })); |
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562 assert (throws ({ deserialize!(char) ("'ab'"); })); |
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563 assert (throws ({ deserialize!(wchar) ("''"); })); |
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564 |
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565 |
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566 // bool |
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567 assert (deserialize!(bool[]) (`[true,false,01,00]`) == cast(bool[]) [1,0,1,0]); |
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568 assert (throws ({ deserialize!(bool) ("011"); })); |
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569 |
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570 |
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571 // ints |
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572 assert (deserialize!(byte) ("-5") == cast(byte) -5); |
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573 assert (deserialize!(int) ("-0x7FFFFFFF") == cast(int) -0x7FFF_FFFF); |
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574 // annoyingly, octal syntax differs from D (blame tango): |
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575 assert (deserialize!(uint[]) ("[0b0100,0o724,0xFa59c,0xFFFFFFFF,0]") == [0b0100u,0724,0xFa59c,0xFFFFFFFF,0]); |
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576 assert (throws ({ deserialize!(int) (""); })); |
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577 assert (throws ({ deserialize!(int) ("0x8FFFFFFF"); })); |
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578 assert (throws ({ deserialize!(uint) ("-1"); })); |
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579 assert (throws ({ deserialize!(uint) ("1a"); })); |
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580 |
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581 |
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582 // floats |
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583 assert (deserialize!(float) ("0.0") == 0.0f); |
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584 assert (deserialize!(double) ("-1e25") == -1e25); |
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585 assert (deserialize!(real) ("5.24e-269") == cast(real) 5.24e-269); |
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586 assert (throws ({ deserialize!(float) (""); })); |
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587 |
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588 |
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589 // structs |
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590 struct A { int x = 5; char y; } |
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591 struct B { A a; float b; } |
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592 A a; a.y = 'y'; |
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593 assert (deserialize!(A) ("{ 1 : 'y' }") == a); |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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594 B b; b.a = a; b.b = 1.0f; |
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595 assert (deserialize!(B) (" {1:1.0,0: { 1 : 'y' } } ") == b); |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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596 assert (throws ({ deserialize!(A) (" 1:'x'}"); })); // bad braces |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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597 assert (throws ({ deserialize!(A) ("{ 1 }"); })); // no :DATA |
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Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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598 |
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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599 |
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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600 // unEscapeChar |
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601 assert (deserialize!(char[]) ("\"\\a\\b\\t\\n\\v\\f\\r\\\"\\\'\\\\\"") == "\a\b\t\n\v\f\r\"\'\\"); |
61ea26abe4dd
Moved mde/mergetag/parse/parse(To/From) to mde/mergetag/(de)serialize. Implemented (de)serialization of structs.
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602 |
61ea26abe4dd
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603 logger.info ("Unittest complete."); |
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604 } |
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605 } |