asar coverage - build #238

src/asar/
File: src/asar/libstr.h
Date: 2025-02-21 02:52:03
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1 #pragma once
2
3 #include "std-includes.h"
4 #include "libmisc.h"
5 #include <cstdint>
6 #include <cstring>
7 #include <utility>
8 #include <string_view>
9
10 //ty alcaro
11 extern const unsigned char char_props[256];
12 6302643 static inline int to_lower(unsigned char c) { return c|(char_props[c]&0x20); }
13 static inline int to_upper(unsigned char c) { return c&~(char_props[c]&0x20); }
14
15
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 786609 inline bool is_space(unsigned char c) { return char_props[c] & 0x80; } // C standard says \f \v are space, but this one disagrees
16 150514 inline bool is_digit(unsigned char c) { return char_props[c] & 0x40; }
17 inline bool is_alpha(unsigned char c) { return char_props[c] & 0x20; }
18 4200 inline bool is_lower(unsigned char c) { return char_props[c] & 0x04; }
19 5862 inline bool is_upper(unsigned char c) { return char_props[c] & 0x02; }
20 inline bool is_alnum(unsigned char c) { return char_props[c] & 0x60; }
21 41787 inline bool is_ualpha(unsigned char c) { return char_props[c] & 0x28; }
22 408432 inline bool is_ualnum(unsigned char c) { return char_props[c] & 0x68; }
23
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 41962 inline bool is_xdigit(unsigned char c) { return char_props[c] & 0x01; }
24
25 2417991 inline char *copy(const char *source, int copy_length, char *dest)
26 {
27 5334820 memcpy(dest, source, copy_length*sizeof(char));
28 2417991 return dest;
29 }
30
31 class string {
32 public:
33 5208514 const char *data() const
34 {
35
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 8446223 return data_ptr;
36 }
37
38 193984 char *temp_raw() const //things to cleanup and take a look at
39 {
40
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 407504 return data_ptr;
41 }
42
43 348286 char *raw() const
44 {
45
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 455967 return data_ptr;
46 }
47
48 6080148 int length() const
49 {
50
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 9720482 return len;
51 }
52
53 7751795 void resize(unsigned int new_length)
54 {
55
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 7751795 if (new_length > capacity()) {
56 23727 reallocate_capacity(new_length);
57 }
58
59 7751795 len = new_length;
60 7751795 data_ptr[new_length] = 0; //always ensure null terminator
61 7751795 }
62
63 1188 void truncate(int newlen)
64 {
65
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 2376 resize(newlen);
66 2376 }
67
68 2552321 void assign(const char * newstr)
69 {
70
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 2552321 if (!newstr) newstr = "";
71 2552321 assign(newstr, strlen(newstr));
72 2552321 }
73
74 1574519 void assign(const string &newstr)
75 {
76 1574519 assign(newstr.data(), newstr.length());
77 1574519 }
78
79 4390797 void assign(const char * newstr, int end)
80 {
81 4390797 resize(end);
82 4390797 copy(newstr, end, data_ptr);
83 4390797 }
84
85
86 377180 string& operator=(const char * newstr)
87 {
88
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 826908 assign(newstr);
89 791746 return *this;
90 }
91
92 690870 string& operator=(const string &newstr)
93 {
94
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 1050796 assign(newstr);
95 1049088 return *this;
96 }
97
98 string& append(const string& other, int start, int end)
99 {
100 int current_end = length();
101 resize(length() + end - start);
102 copy(other.data() + start, end - start, data_ptr + current_end);
103 return *this;
104 }
105
106 9624 string& append(const char *other, int start, int end)
107 {
108 4818 int current_end = length();
109 9624 resize(length() + end - start);
110 9624 copy(other + start, end - start, data_ptr + current_end);
111 9624 return *this;
112 }
113
114 225029 string& operator+=(const string& other)
115 {
116 89917 int current_end = length();
117 225029 resize(length() + other.length());
118 225029 copy(other.data(), other.length(), data_ptr + current_end);
119 225029 return *this;
120 }
121
122 691303 string& operator+=(const char *other)
123 {
124 310190 int current_end = length();
125 691303 int otherlen=(int)strlen(other);
126 691303 resize(length() + otherlen);
127 691303 copy(other, otherlen, data_ptr + current_end);
128 691303 return *this;
129 }
130
131 2431174 string& operator+=(char c)
132 {
133 2431174 resize(length() + 1);
134 2431174 data_ptr[length() - 1] = c;
135 2431174 return *this;
136 }
137
138 string operator+(char right) const
139 {
140 string ret=*this;
141 ret+=right;
142 return ret;
143 }
144
145 149329 string operator+(const char * right) const
146 {
147 61009 string ret=*this;
148
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 149329 ret+=right;
149 149329 return ret;
150 ✗ }
151
152 3880911 operator const char*() const
153 {
154 3880911 return data();
155 }
156
157 15936 explicit operator bool() const
158 {
159 15936 return length();
160 }
161
162 2439446 string()
163 4869415 {
164 5064935 data_ptr = inlined.data;
165 5064935 len = 0;
166
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 3883830 inlined.data[0] = '\0';
167 2441463 }
168 1517457 string(const char * newstr) : string()
169 {
170
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 1517457 assign(newstr);
171
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 2218566 }
172 231444 string(const char * newstr, int newlen) : string()
173 {
174
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175
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 354699 }
176 207956 string(const string& old) : string()
177 {
178
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179
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 320796 }
180
181 222917 string(string &&move) noexcept : string()
182 {
183 112405 *this = move;
184 222917 }
185
186 393297 string& operator=(string&& other) noexcept
187 {
188
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 393297 if (other.is_inlined()) {
189 // No resources to steal so just do a normal assignment
190 143384 *this = other;
191 } else {
192
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 307 if (is_inlined()) {
193 119 data_ptr = other.data_ptr;
194 119 other.data_ptr = 0;
195 } else {
196 // Give our old allocation back so other can free it for us
197 99 std::swap(data_ptr, other.data_ptr);
198 }
199 307 len = other.len;
200 307 allocated = other.allocated;
201 }
202 393297 return *this;
203 }
204
205 12773315 ~string()
206 {
207
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 7563613 if(!is_inlined()){
208 34549 free(data_ptr);
209 }
210 12773315 }
211
212 //maybe these should return refs to chain. but also good not to encourage chaining
213 5228 void strip_prefix(char c)
214 {
215
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 5228 if(data()[0] == c){
216 1492 std::memmove(data_ptr, data_ptr + 1, length() - 1);
217 1492 resize(length() - 1);
218 }
219 5228 }
220
221 void strip_suffix(char c)
222 {
223 if (data()[length() - 1] == c) {
224 truncate(length() - 1);
225 }
226 }
227
228 string& qreplace(const char * instr, const char * outstr);
229 string& qnormalize();
230
231 // RPG Hacker: My hack shmeck to get around no longer supporting text mode.
232 // Symbol files are currently the only thing that use text mode, anyways, and I don't even know
233 // if the emulators that read them care about line endings.
234 ✗ string& convert_line_endings_to_native()
235 {
236 #if defined(windows)
237 // RPG Hacker: This is quite stinky, but doing the replacement directly will lead to a dead-lock.
238 // \x08 = backspace should never appear inside a string, so I'm abusing it here.
239 ✗ return qreplace("\n", "\x08").qreplace("\x08", "\r\n");
240 #else
241 ✗ return *this;
242 #endif
243 }
244
245 #ifdef SERIALIZER
246 void serialize(serializer & s)
247 {
248 s(str, allocated.bufferlen);
249 resize(strlen(str));
250 }
251 #endif
252 #define SERIALIZER_BANNED
253
254 private:
255 static const int scale_factor = 4; //scale sso
256 static const int inline_capacity = ((sizeof(char *) + sizeof(int) * 2) * scale_factor) - 2;
257
258 // Points to a malloc'd data block or to inlined.data
259 char *data_ptr;
260 unsigned int len;
261 union {
262 struct {
263 // Actual allocated capacity is +1 this value, to cover for the terminating NUL
264 unsigned int capacity;
265 } allocated;
266 struct {
267 char data[inline_capacity + 1];
268 } inlined;
269 };
270
271 void reallocate_capacity(unsigned int new_length);
272
273 3471087 unsigned capacity() const
274 {
275
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 3481611 return is_inlined() ? inline_capacity : allocated.capacity;
276 }
277
278 5980550 bool is_inlined() const
279 {
280
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 13127749 return data_ptr == inlined.data;
281 }
282 };
283 #define STR (string)
284
285 #define ASAR_STRCMP_OPERATORS(op) \
286 inline bool operator op(const string& left, const string& right) { \
287 return strcmp(left, right) op 0; \
288 } \
289 inline bool operator op(const string& left, const char* right) { \
290 return strcmp(left, right) op 0; \
291 } \
292 inline bool operator op(const char* left, const string& right) { \
293 return strcmp(left, right) op 0; \
294 }
295
296 294399 ASAR_STRCMP_OPERATORS(==)
297 29118 ASAR_STRCMP_OPERATORS(!=)
298 ASAR_STRCMP_OPERATORS(<)
299 ASAR_STRCMP_OPERATORS(<=)
300 ASAR_STRCMP_OPERATORS(>)
301 ASAR_STRCMP_OPERATORS(>=)
302 #undef ASAR_STRCMP_OPERATORS
303
304 template<>
305 struct std::hash<string> {
306 493914 size_t operator()(const ::string& s) const {
307 493914 return std::hash<std::string_view>()(std::string_view(s.data(), s.length()));
308 }
309 };
310
311 char * readfile(const char * fname, const char * basepath);
312 char * readfilenative(const char * fname);
313 bool readfile(const char * fname, const char * basepath, char ** data, int * len);//if you want an uchar*, cast it
314 char ** split(char * str, char key, int * len= nullptr);
315 char ** qsplit(char * str, char key, int * len= nullptr);
316 char ** qpsplit(char * str, char key, int * len= nullptr);
317 char ** qsplitstr(char * str, const char * key, int * len= nullptr);
318 bool confirmquotes(const char * str);
319 bool confirmqpar(const char * str);
320 char* strqpchr(char* str, char key);
321 char* strqpstr(char* str, const char* key);
322
323 ✗ inline string hex(unsigned int value)
324 {
325 char buffer[64];
326 if(0);
327 ✗ else if (value<=0x000000FF) snprintf(buffer, sizeof(buffer), "%.2X", value);
328 ✗ else if (value<=0x0000FFFF) snprintf(buffer, sizeof(buffer), "%.4X", value);
329 ✗ else if (value<=0x00FFFFFF) snprintf(buffer, sizeof(buffer), "%.6X", value);
330 ✗ else snprintf(buffer, sizeof(buffer), "%.8X", value);
331 ✗ return buffer;
332 }
333
334 6 inline string hex(unsigned int value, int width)
335 {
336 char buffer[64];
337 6 snprintf(buffer, sizeof(buffer), "%.*X", width, value);
338
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 9 return buffer;
339 }
340
341 21001 inline string dec(int value)
342 {
343 char buffer[64];
344 21001 snprintf(buffer, sizeof(buffer), "%i", value);
345
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 29836 return buffer;
346 }
347
348 6498 inline string ftostr(double value)
349 {
350 // randomdude999: With 100 digits of precision, the buffer needs to be approx. 311+100,
351 // but let's be safe here https://stackoverflow.com/questions/7235456
352 char rval[512];
353 // RPG Hacker: Ridiculously high precision, I know, but we're working with doubles
354 // here and can afford it, so no need to waste any precision
355 6498 snprintf(rval, sizeof(rval), "%.100f", value);
356
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 6498 if (strchr(rval, '.'))//nuke useless zeroes
357 {
358 6498 char * end=strrchr(rval, '\0')-1;
359
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 655254 while (*end=='0')
360 {
361 648756 *end='\0';
362 648756 end--;
363 }
364
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 6498 if (*end=='.') *end='\0';
365 }
366
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 9747 return rval;
367 }
368
369 // Same as above, but with variable precision
370 54 inline string ftostrvar(double value, int precision)
371 {
372 27 int clampedprecision = precision;
373
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 27 if (clampedprecision < 0) clampedprecision = 0;
374
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 54 if (clampedprecision > 100) clampedprecision = 100;
375
376 // see above
377 char rval[512];
378 54 snprintf(rval, sizeof(rval), "%.*f", clampedprecision, (double)value);
379
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 54 if (strchr(rval, '.'))//nuke useless zeroes
380 {
381 48 char * end = strrchr(rval, '\0') - 1;
382
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 186 while (*end == '0')
383 {
384 138 *end = '\0';
385 138 end--;
386 }
387
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 48 if (*end == '.') *end = '\0';
388 }
389
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 81 return rval;
390 }
391
392 269753 inline bool stribegin(const char * str, const char * key)
393 {
394
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 958715 for (int i=0;key[i];i++)
395 {
396
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 932467 if (to_lower(str[i])!=to_lower(key[i])) return false;
397 }
398 5638 return true;
399 }
400
401 inline bool striend(const char * str, const char * key)
402 {
403 const char * keyend=strrchr(key, '\0');
404 const char * strend=strrchr(str, '\0');
405 if(keyend-key > strend-str) return false;
406
407 while (key!=keyend)
408 {
409 keyend--;
410 strend--;
411 if (to_lower(*strend)!=to_lower(*keyend)) return false;
412 }
413 return true;
414 }
415
416 inline bool stricmpwithupper(const char *word1, const char *word2)
417 {
418 while(*word2)
419 {
420 if(to_upper(*word1++) != *word2++) return true;
421 }
422 return *word1;
423 }
424
425 2261903 inline bool stricmpwithlower(const char *word1, const char *word2)
426 {
427
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 3136684 while(*word2)
428 {
429
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 3018974 if(to_lower(*word1++) != *word2++) return true;
430 }
431 117710 return *word1;
432 }
433
434 //function: return the string without quotes around it, if any exists
435 //if they don't exist, return it unaltered
436 //it is not guaranteed to return str
437 //it is not guaranteed to not edit str
438 //the input must be freed even though it's garbage, the output must not
439 29847 inline const char * dequote(char * str)
440 {
441
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 29847 if (*str!='"') return str;
442 27579 char *end = strrchr(str, '"');
443
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 27579 if (end)
444 {
445 27579 *end = 0;
446 27579 char *quote = str+1;
447
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 28011 while((quote = strstr(quote, "\"\""))) memmove(quote, quote+1, strlen(quote));
448 11214 return str + 1;
449 }
450 ✗ return nullptr;
451 }
452
453 46048 inline char * strqchr(const char * str, char key)
454 {
455
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 442482 while (*str != '\0')
456 {
457
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 407627 if (*str == key) { return const_cast<char*>(str); }
458
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 396440 else if (*str == '"' || *str == '\'')
459 {
460 // Special case hack for ''', which is currently our official way of handling the ' character.
461 // Even though it really stinks.
462
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 2466 if (str[0] == '\'' && str[1] == '\'' && str[2] == '\'') { str += 2; }
463 else
464 {
465 1250 char delimiter = *str;
466
467 do
468 {
469 27582 str++;
470
471 // If we want to support backslash escapes, we'll have to add that right here.
472
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 27582 } while (*str != delimiter && *str != '\0');
473
474 // This feels like a superfluous check, but I can't really find a clean way to avoid it.
475
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 2430 if (*str == '\0') { return nullptr; }
476 }
477 }
478
479 396434 str++;
480 }
481
482 17475 return nullptr;
483 }
484
485 3921 inline string substr(const char * str, int len)
486 {
487 3921 return string(str, len);
488 }
489
490
491 209331 inline char *strip_whitespace(char *str)
492 {
493
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 220553 while(is_space(*str)) str++;
494
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 256751 for(int i = strlen(str) - 1; i >= 0; i--)
495 {
496
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 193573 if(!is_space(str[i]))
497 {
498 146153 str[i + 1] = 0;
499 146153 return str;
500 }
501 }
502 31629 return str;
503 }
504 6984 inline void strip_whitespace(string &str)
505 {
506
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 10462 str = string(strip_whitespace(str.temp_raw()));
507 6984 }
508
509 string &itrim(string &str, const char * left, const char * right);
510
511 34343 inline string &lower(string &old)
512 {
513 92 int length = old.length();
514
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 997459 for (int i=0;i<length;i++) old.raw()[i]=(char)to_lower(old.data()[i]);
515 34343 return old;
516 }
517
518
519 // Returns number of connected lines - 1
520 template<typename stringarraytype>
521 148257 inline int getconnectedlines(stringarraytype& lines, int startline, string& out)
522 {
523 71691 int count = 0;
524
525
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 148311 for (int i = startline; lines[i]; i++)
526 {
527 // The line should already be stripped of any comments at this point
528 148311 int linestartpos = (int)strlen(lines[i]);
529
530
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 148311 if(linestartpos && lines[i][linestartpos - 1] == '\\')
531 {
532 54 count++;
533
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 54 out += string(lines[i], linestartpos - 1);
534 27 continue;
535 }
536 else
537 {
538
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 148257 out += string(lines[i], linestartpos);
539 148257 return count;
540 }
541 }
542
543 ✗ return count;
544 }
545