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| 1 | /* GATE PROJECT LICENSE: | ||
| 2 | +----------------------------------------------------------------------------+ | ||
| 3 | | Copyright (c) 2018-2026, Stefan Meislinger <sm@opengate.at> | | ||
| 4 | | All rights reserved. | | ||
| 5 | | | | ||
| 6 | | Redistribution and use in source and binary forms, with or without | | ||
| 7 | | modification, are permitted provided that the following conditions are met:| | ||
| 8 | | | | ||
| 9 | | 1. Redistributions of source code must retain the above copyright notice, | | ||
| 10 | | this list of conditions and the following disclaimer. | | ||
| 11 | | 2. Redistributions in binary form must reproduce the above copyright | | ||
| 12 | | notice, this list of conditions and the following disclaimer in the | | ||
| 13 | | documentation and/or other materials provided with the distribution. | | ||
| 14 | | | | ||
| 15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"| | ||
| 16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | ||
| 17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | ||
| 18 | | ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | | ||
| 19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | ||
| 20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | ||
| 21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | ||
| 22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | ||
| 23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | ||
| 24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | | ||
| 25 | | THE POSSIBILITY OF SUCH DAMAGE. | | ||
| 26 | +----------------------------------------------------------------------------+ | ||
| 27 | */ | ||
| 28 | |||
| 29 | #include "gate/strings.h" | ||
| 30 | |||
| 31 | |||
| 32 | #define GATE_CSTRBUFFER_CREATE_IMPL(char_type, buffer, textptr, length, copy_needed) \ | ||
| 33 | if(!buffer) return NULL; \ | ||
| 34 | gate_mem_clear(buffer, sizeof(*buffer)); \ | ||
| 35 | if(length > 0) \ | ||
| 36 | { \ | ||
| 37 | buffer->length = length; \ | ||
| 38 | if(!copy_needed && (textptr[length] == 0)) \ | ||
| 39 | { \ | ||
| 40 | buffer->str = textptr; \ | ||
| 41 | } \ | ||
| 42 | else if(length < (sizeof(buffer->local_buffer) / sizeof(buffer->local_buffer[0]))) \ | ||
| 43 | { \ | ||
| 44 | gate_mem_copy(buffer->local_buffer, textptr, length * sizeof(buffer->local_buffer[0])); \ | ||
| 45 | buffer->local_buffer[length] = 0; \ | ||
| 46 | buffer->str = &buffer->local_buffer[0]; \ | ||
| 47 | } \ | ||
| 48 | else \ | ||
| 49 | { \ | ||
| 50 | buffer->heap_buffer = ( char_type *)gate_mem_alloc((length + 1) * sizeof(char_type)); \ | ||
| 51 | if(buffer->heap_buffer) \ | ||
| 52 | { \ | ||
| 53 | gate_mem_copy(buffer->heap_buffer, textptr, length * sizeof(char_type)); \ | ||
| 54 | buffer->heap_buffer[length] = 0; \ | ||
| 55 | buffer->str = buffer->heap_buffer; \ | ||
| 56 | } \ | ||
| 57 | else \ | ||
| 58 | { \ | ||
| 59 | buffer->length = 0; \ | ||
| 60 | buffer = NULL; \ | ||
| 61 | } \ | ||
| 62 | } \ | ||
| 63 | } \ | ||
| 64 | return buffer | ||
| 65 | |||
| 66 | #define GATE_CSTRBUFFER_DESTROY_IMPL(buffer) \ | ||
| 67 | do { \ | ||
| 68 | if(!buffer) break; \ | ||
| 69 | if(buffer->heap_buffer && (buffer->str == buffer->heap_buffer)) \ | ||
| 70 | { \ | ||
| 71 | gate_mem_dealloc(buffer->heap_buffer); \ | ||
| 72 | } \ | ||
| 73 | gate_mem_clear(buffer, sizeof(*buffer)); \ | ||
| 74 | } while(0) | ||
| 75 | |||
| 76 | #define GATE_CSTRBUFFER_GET_IMPL(buffer) return buffer ? buffer->str : NULL | ||
| 77 | |||
| 78 | #define GATE_CSTRBUFFER_LENGTH_IMPL(buffer) return buffer ? buffer->length : 0 | ||
| 79 | |||
| 80 | |||
| 81 | 4 | gate_cstrbuffer_t* gate_cstrbuffer_create_string(gate_cstrbuffer_t* buffer, gate_string_t const* strptr, gate_bool_t copy_needed) | |
| 82 | { | ||
| 83 |
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4 | if (strptr) |
| 84 | { | ||
| 85 | 4 | return gate_cstrbuffer_create(buffer, strptr->str, strptr->length, copy_needed); | |
| 86 | } | ||
| 87 | ✗ | else if (buffer) | |
| 88 | { | ||
| 89 | ✗ | gate_mem_clear(buffer, sizeof(*buffer)); | |
| 90 | } | ||
| 91 | ✗ | return buffer; | |
| 92 | } | ||
| 93 | |||
| 94 | 3 | gate_cstrbuffer_t* gate_cstrbuffer_create_wstr(gate_cstrbuffer_t* buffer, wchar_t const* textptr, gate_size_t length) | |
| 95 | { | ||
| 96 | 3 | const gate_size_t required_buffer = length * 3 + 1; | |
| 97 | 3 | char* target = NULL; | |
| 98 | 3 | gate_size_t used = 0; | |
| 99 | |||
| 100 |
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3 | if (!buffer) return NULL; |
| 101 | 3 | gate_mem_clear(buffer, sizeof(*buffer)); | |
| 102 | |||
| 103 |
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3 | if (sizeof(buffer->local_buffer) <= required_buffer) |
| 104 | { | ||
| 105 | ✗ | buffer->heap_buffer = (char*)gate_mem_alloc(required_buffer); | |
| 106 | ✗ | if (NULL == buffer->heap_buffer) | |
| 107 | { | ||
| 108 | /* allocation failed */ | ||
| 109 | ✗ | return NULL; | |
| 110 | } | ||
| 111 | ✗ | target = buffer->heap_buffer; | |
| 112 | } | ||
| 113 | else | ||
| 114 | { | ||
| 115 | 3 | target = &buffer->local_buffer[0]; | |
| 116 | } | ||
| 117 | |||
| 118 | #if defined(GATE_TYPE_WCHAR_IS_UTF16) | ||
| 119 | used = gate_str_utf16_2_utf8((gate_char16_t const*)textptr, length, target, required_buffer - 1); | ||
| 120 | #else | ||
| 121 | 3 | used = gate_str_utf32_2_utf8((gate_char32_t const*)textptr, length, target, required_buffer - 1); | |
| 122 | #endif | ||
| 123 | |||
| 124 | 3 | buffer->str = target; | |
| 125 | 3 | buffer->length = used; | |
| 126 | 3 | return buffer; | |
| 127 | } | ||
| 128 | |||
| 129 | 11 | gate_cstrbuffer_t* gate_cstrbuffer_create(gate_cstrbuffer_t* buffer, gate_char8_t const* textptr, gate_size_t length, gate_bool_t copy_needed) | |
| 130 | { | ||
| 131 |
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11 | GATE_CSTRBUFFER_CREATE_IMPL(gate_char8_t, buffer, textptr, length, copy_needed); |
| 132 | } | ||
| 133 | |||
| 134 | 25 | void gate_cstrbuffer_destroy(gate_cstrbuffer_t* buffer) | |
| 135 | { | ||
| 136 |
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25 | GATE_CSTRBUFFER_DESTROY_IMPL(buffer); |
| 137 | 25 | } | |
| 138 | |||
| 139 | 16 | gate_char8_t const* gate_cstrbuffer_get(gate_cstrbuffer_t const* buffer) | |
| 140 | { | ||
| 141 |
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16 | GATE_CSTRBUFFER_GET_IMPL(buffer); |
| 142 | } | ||
| 143 | |||
| 144 | #define GATE_CSTRBUFFER_GET_LOCAL_IMPL(buffer) \ | ||
| 145 | if (buffer->str == &buffer->local_buffer[0]) { \ | ||
| 146 | return &buffer->local_buffer[0]; \ | ||
| 147 | } \ | ||
| 148 | else if (buffer->str == buffer->heap_buffer) { \ | ||
| 149 | return buffer->heap_buffer; \ | ||
| 150 | } \ | ||
| 151 | else { \ | ||
| 152 | return NULL; \ | ||
| 153 | } | ||
| 154 | |||
| 155 | 1 | gate_char8_t* gate_cstrbuffer_get_local(gate_cstrbuffer_t* buffer) | |
| 156 | { | ||
| 157 |
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1 | GATE_CSTRBUFFER_GET_LOCAL_IMPL(buffer); |
| 158 | } | ||
| 159 | |||
| 160 | |||
| 161 | 7 | gate_size_t gate_cstrbuffer_length(gate_cstrbuffer_t const* buffer) | |
| 162 | { | ||
| 163 |
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7 | GATE_CSTRBUFFER_LENGTH_IMPL(buffer); |
| 164 | } | ||
| 165 | |||
| 166 | |||
| 167 | |||
| 168 | 3 | gate_cstrbuffer16_t* gate_cstrbuffer16_create_string(gate_cstrbuffer16_t* buffer, gate_string_t const* ptr) | |
| 169 | { | ||
| 170 | gate_size_t len; | ||
| 171 |
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3 | if (buffer) |
| 172 | { | ||
| 173 | 3 | gate_mem_clear(buffer, sizeof(*buffer)); | |
| 174 |
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3 | if (ptr && ptr->length) |
| 175 | { | ||
| 176 |
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3 | if (ptr->length < (sizeof(buffer->local_buffer) / sizeof(buffer->local_buffer[0]))) |
| 177 | { | ||
| 178 | 2 | len = gate_str_utf8_2_utf16(ptr->str, ptr->length, buffer->local_buffer, | |
| 179 | sizeof(buffer->local_buffer) / sizeof(buffer->local_buffer[0]) - 1); | ||
| 180 | 2 | buffer->local_buffer[len] = 0; | |
| 181 | 2 | buffer->str = &buffer->local_buffer[0]; | |
| 182 | 2 | buffer->length = len; | |
| 183 | } | ||
| 184 | else | ||
| 185 | { | ||
| 186 | 1 | buffer->heap_buffer = (gate_char16_t*)gate_mem_alloc((ptr->length + 1) * sizeof(gate_char16_t)); | |
| 187 |
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1 | if (!buffer->heap_buffer) |
| 188 | { | ||
| 189 | ✗ | buffer = NULL; | |
| 190 | } | ||
| 191 | else | ||
| 192 | { | ||
| 193 | 1 | buffer->length = gate_str_utf8_2_utf16(ptr->str, ptr->length, buffer->heap_buffer, ptr->length); | |
| 194 | 1 | buffer->heap_buffer[buffer->length] = 0; | |
| 195 | 1 | buffer->str = buffer->heap_buffer; | |
| 196 | } | ||
| 197 | } | ||
| 198 | } | ||
| 199 | } | ||
| 200 | |||
| 201 | 3 | return buffer; | |
| 202 | } | ||
| 203 | |||
| 204 | 1 | gate_cstrbuffer16_t* gate_cstrbuffer16_create(gate_cstrbuffer16_t* buffer, gate_char16_t const* textptr, gate_size_t length, gate_bool_t copy_needed) | |
| 205 | { | ||
| 206 |
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1 | GATE_CSTRBUFFER_CREATE_IMPL(gate_char16_t, buffer, textptr, length, copy_needed); |
| 207 | } | ||
| 208 | |||
| 209 | 4 | void gate_cstrbuffer16_destroy(gate_cstrbuffer16_t* buffer) | |
| 210 | { | ||
| 211 |
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4 | GATE_CSTRBUFFER_DESTROY_IMPL(buffer); |
| 212 | 4 | } | |
| 213 | |||
| 214 | 2 | gate_char16_t const* gate_cstrbuffer16_get(gate_cstrbuffer16_t const* buffer) | |
| 215 | { | ||
| 216 |
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2 | GATE_CSTRBUFFER_GET_IMPL(buffer); |
| 217 | } | ||
| 218 | |||
| 219 | 1 | gate_char16_t* gate_cstrbuffer16_get_local(gate_cstrbuffer16_t* buffer) | |
| 220 | { | ||
| 221 |
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1 | GATE_CSTRBUFFER_GET_LOCAL_IMPL(buffer); |
| 222 | } | ||
| 223 | |||
| 224 | 2 | gate_size_t gate_cstrbuffer16_length(gate_cstrbuffer16_t const* buffer) | |
| 225 | { | ||
| 226 |
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2 | GATE_CSTRBUFFER_LENGTH_IMPL(buffer); |
| 227 | } | ||
| 228 | |||
| 229 | |||
| 230 | |||
| 231 | 1 | gate_cstrbuffer32_t* gate_cstrbuffer32_create_string(gate_cstrbuffer32_t* buffer, gate_string_t const* ptr) | |
| 232 | { | ||
| 233 | gate_size_t len; | ||
| 234 |
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1 | if (buffer) |
| 235 | { | ||
| 236 | 1 | gate_mem_clear(buffer, sizeof(*buffer)); | |
| 237 |
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1 | if (ptr && ptr->length) |
| 238 | { | ||
| 239 |
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1 | if (ptr->length < (sizeof(buffer->local_buffer) / sizeof(buffer->local_buffer[0]))) |
| 240 | { | ||
| 241 | 1 | len = gate_str_utf8_2_utf32(ptr->str, ptr->length, buffer->local_buffer, | |
| 242 | sizeof(buffer->local_buffer) / sizeof(buffer->local_buffer[0]) - 1); | ||
| 243 | 1 | buffer->local_buffer[len] = 0; | |
| 244 | 1 | buffer->str = &buffer->local_buffer[0]; | |
| 245 | 1 | buffer->length = len; | |
| 246 | } | ||
| 247 | else | ||
| 248 | { | ||
| 249 | ✗ | buffer->heap_buffer = (gate_char32_t*)gate_mem_alloc((ptr->length + 1) * sizeof(gate_char32_t)); | |
| 250 | ✗ | if (!buffer->heap_buffer) | |
| 251 | { | ||
| 252 | ✗ | buffer = NULL; | |
| 253 | } | ||
| 254 | else | ||
| 255 | { | ||
| 256 | ✗ | buffer->length = gate_str_utf8_2_utf32(ptr->str, ptr->length, buffer->heap_buffer, ptr->length); | |
| 257 | ✗ | buffer->heap_buffer[buffer->length] = 0; | |
| 258 | ✗ | buffer->str = buffer->heap_buffer; | |
| 259 | } | ||
| 260 | } | ||
| 261 | } | ||
| 262 | } | ||
| 263 | |||
| 264 | 1 | return buffer; | |
| 265 | } | ||
| 266 | |||
| 267 | 1 | gate_cstrbuffer32_t* gate_cstrbuffer32_create(gate_cstrbuffer32_t* buffer, gate_char32_t const* textptr, gate_size_t length, gate_bool_t copy_needed) | |
| 268 | { | ||
| 269 |
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1 | GATE_CSTRBUFFER_CREATE_IMPL(gate_char32_t, buffer, textptr, length, copy_needed); |
| 270 | } | ||
| 271 | |||
| 272 | 2 | void gate_cstrbuffer32_destroy(gate_cstrbuffer32_t* buffer) | |
| 273 | { | ||
| 274 |
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2 | GATE_CSTRBUFFER_DESTROY_IMPL(buffer); |
| 275 | 2 | } | |
| 276 | |||
| 277 | 1 | gate_char32_t const* gate_cstrbuffer32_get(gate_cstrbuffer32_t const* buffer) | |
| 278 | { | ||
| 279 |
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1 | GATE_CSTRBUFFER_GET_IMPL(buffer); |
| 280 | } | ||
| 281 | |||
| 282 | 1 | gate_char32_t* gate_cstrbuffer32_get_local(gate_cstrbuffer32_t* buffer) | |
| 283 | { | ||
| 284 |
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1 | GATE_CSTRBUFFER_GET_LOCAL_IMPL(buffer); |
| 285 | } | ||
| 286 | |||
| 287 | 1 | gate_size_t gate_cstrbuffer32_length(gate_cstrbuffer32_t const* buffer) | |
| 288 | { | ||
| 289 |
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1 | GATE_CSTRBUFFER_LENGTH_IMPL(buffer); |
| 290 | } | ||
| 291 |