asar coverage - build #157

src/asar/
File: src/asar/libstr.h
Date: 2024-01-26 19:56:48
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1 #pragma once
2
3 #include "std-includes.h"
4 #include "libmisc.h"
5 #include <cstdint>
6 //ty alcaro
7 extern const unsigned char char_props[256];
8 5793359 static inline int to_lower(unsigned char c) { return c|(char_props[c]&0x20); }
9 static inline int to_upper(unsigned char c) { return c&~(char_props[c]&0x20); }
10
11
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 770604 inline bool is_space(unsigned char c) { return char_props[c] & 0x80; } // C standard says \f \v are space, but this one disagrees
12 150833 inline bool is_digit(unsigned char c) { return char_props[c] & 0x40; }
13 inline bool is_alpha(unsigned char c) { return char_props[c] & 0x20; }
14 3696 inline bool is_lower(unsigned char c) { return char_props[c] & 0x04; }
15 5166 inline bool is_upper(unsigned char c) { return char_props[c] & 0x02; }
16 inline bool is_alnum(unsigned char c) { return char_props[c] & 0x60; }
17 41664 inline bool is_ualpha(unsigned char c) { return char_props[c] & 0x28; }
18 397628 inline bool is_ualnum(unsigned char c) { return char_props[c] & 0x68; }
19
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 41674 inline bool is_xdigit(unsigned char c) { return char_props[c] & 0x01; }
20
21 1982021 inline char *copy(const char *source, int copy_length, char *dest)
22 {
23 4528352 memcpy(dest, source, copy_length*sizeof(char));
24 1982021 return dest;
25 }
26
27 class string {
28 public:
29 7152280 const char *data() const
30 {
31
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 10183289 return cached_data;
32 }
33
34 185590 char *temp_raw() const //things to cleanup and take a look at
35 {
36
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 395294 return cached_data;
37 }
38
39 3305463 char *raw() const
40 {
41
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 7392894 return cached_data;
42 }
43
44 6919322 int length() const
45 {
46
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 15679192 return is_inlined() ? inlined.len : allocated.len;
47 }
48
49 6859098 void set_length(int length)
50 {
51
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 6859098 if(length > max_inline_length_){
52 38675 inlined.len = (unsigned char)-1;
53 38675 allocated.len = length;
54 }else{
55 6820423 inlined.len = length;
56 }
57 6859098 }
58
59 1188 void truncate(int newlen)
60 {
61 2376 resize(newlen);
62 2376 }
63
64 2003071 void assign(const char * newstr)
65 {
66
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 2003071 if (!newstr) newstr = "";
67 2003071 assign(newstr, strlen(newstr));
68 2003071 }
69
70 1345603 void assign(const string &newstr)
71 {
72 1345603 assign(newstr, newstr.length());
73 1345603 }
74
75 3607031 void assign(const char * newstr, int end)
76 {
77 3607031 resize(end);
78 3607031 copy(newstr, length(), cached_data);
79 3607031 }
80
81
82 360368 string& operator=(const char * newstr)
83 {
84 800624 assign(newstr);
85 369663 return *this;
86 }
87
88 424481 string& operator=(const string &newstr)
89 {
90 551558 assign(newstr);
91 456107 return *this;
92 }
93
94 string& append(const string& other, int start, int end)
95 {
96 int current_end = length();
97 resize(length() + end - start);
98 copy(other.cached_data + start, end - start, cached_data + current_end);
99 return *this;
100 }
101
102 9564 string& append(const char *other, int start, int end)
103 {
104 4785 int current_end = length();
105 9564 resize(length() + end - start);
106 9564 copy(other + start, end - start, cached_data + current_end);
107 9564 return *this;
108 }
109
110 217191 string& operator+=(const string& other)
111 {
112 85355 int current_end = length();
113 217191 resize(length() + other.length());
114 349027 copy(other.cached_data, other.length(), cached_data + current_end);
115 217191 return *this;
116 }
117
118 673086 string& operator+=(const char *other)
119 {
120 293453 int current_end = length();
121 673086 int otherlen=(int)strlen(other);
122 673086 resize(length() + otherlen);
123 673086 copy(other, otherlen, cached_data + current_end);
124 673086 return *this;
125 }
126
127 2349622 string& operator+=(char c)
128 {
129 2349622 resize(length() + 1);
130 3704827 cached_data[length() - 1] = c;
131 2349622 return *this;
132 }
133
134 string operator+(char right) const
135 {
136 string ret=*this;
137 ret+=right;
138 return ret;
139 }
140
141 58187 string operator+(const char * right) const
142 {
143 58187 string ret=*this;
144
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 149375 ret+=right;
145 63773 return ret;
146 ✗ }
147
148 20688 bool operator==(const char * right) const
149 {
150 20688 return !strcmp(data(), right);
151 }
152
153 222 bool operator==(const string& right) const
154 {
155 222 return !strcmp(data(), right.data());
156 }
157
158 27874 bool operator!=(const char * right) const
159 {
160 27874 return (strcmp(data(), right) != 0);
161 }
162
163 bool operator!=(const string& right) const
164 {
165 return (strcmp(data(), right.data()) != 0);
166 }
167
168 3878098 operator const char*() const
169 {
170 3878098 return data();
171 }
172
173 35462 explicit operator bool() const
174 {
175 35462 return length();
176 }
177
178 4474521 string()
179 4474521 {
180 //todo reduce I know this isn't all needed
181 4474521 allocated.bufferlen = 0;
182 4474521 allocated.str = 0;
183 4474521 allocated.len = 0;
184 4474521 inlined.len = 0;
185 4474521 cached_data = inlined.str;
186 4474521 next_resize = max_inline_length_+1;
187
188 3498368 }
189 1004445 string(const char * newstr) : string()
190 {
191
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 1004445 assign(newstr);
192 908810 }
193 225681 string(const char * newstr, int newlen) : string()
194 {
195
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 225681 assign(newstr, newlen);
196 225654 }
197 198002 string(const string& old) : string()
198 {
199
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 198002 assign(old.data());
200 197681 }
201
202 25263 string(string &&move) : string()
203 {
204
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 9537 *this = move;
205 25263 }
206
207 389927 string& operator=(string&& move)
208 {
209
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 139716 if(!is_inlined()) free(allocated.str);
210
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 389927 if(!move.is_inlined()){
211 228 allocated.str = move.allocated.str;
212 228 allocated.bufferlen = move.allocated.bufferlen;
213 228 set_length(move.allocated.len);
214
215 228 move.inlined.len = 0;
216 228 move.inlined.str[0] = 0;
217 228 cached_data = allocated.str;
218 228 next_resize = move.next_resize;
219
220 }else{
221 389699 inlined.len = 0;
222 389699 cached_data = inlined.str;
223 389699 next_resize = max_inline_length_+1;
224 389699 assign(move);
225 }
226 389927 return *this;
227 }
228
229 11024112 ~string()
230 {
231
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 6480966 if(!is_inlined()){
232 29592 free(allocated.str);
233 }
234 11024112 }
235
236 //maybe these should return refs to chain. but also good not to encourage chaining
237 4963 void strip_prefix(char c)
238 {
239
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 4963 if(cached_data[0] == c){
240
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 1418 *this = string(cached_data + 1, length() - 1);
241 }
242 4963 }
243
244 void strip_suffix(char c)
245 {
246 if(cached_data[length() - 1] == c){
247 truncate(length() - 1);
248 }
249 }
250
251 string& qreplace(const char * instr, const char * outstr);
252 string& qnormalize();
253
254 // RPG Hacker: My hack shmeck to get around no longer supporting text mode.
255 // Symbol files are currently the only thing that use text mode, anyways, and I don't even know
256 // if the emulators that read them care about line endings.
257 ✗ string& convert_line_endings_to_native()
258 {
259 #if defined(windows)
260 // RPG Hacker: This is quite stinky, but doing the replacement directly will lead to a dead-lock.
261 // \x08 = backspace should never appear inside a string, so I'm abusing it here.
262 ✗ return qreplace("\n", "\x08").qreplace("\x08", "\r\n");
263 #else
264 ✗ return *this;
265 #endif
266 }
267
268 #ifdef SERIALIZER
269 void serialize(serializer & s)
270 {
271 s(str, allocated.bufferlen);
272 set_length(strlen(str));
273 }
274 #endif
275 #define SERIALIZER_BANNED
276
277 private:
278 static const int scale_factor = 4; //scale sso
279 static const int max_inline_length_ = ((sizeof(char *) + sizeof(int) * 2) * scale_factor) - 2;
280 char *cached_data;
281 int next_resize;
282 struct si{
283 char str[max_inline_length_ + 1];
284 unsigned char len;
285 };
286
287 struct sa{
288 char *str;
289 int len;
290 int bufferlen ;
291 };
292 union{
293 si inlined;
294 sa allocated;
295 };
296
297
298 6858870 void resize(int new_length)
299 {
300 2966788 const char *old_data = data();
301
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 6868569 if(new_length >= next_resize || (!is_inlined() && new_length <= max_inline_length_)) {
302
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 22630 if(new_length > max_inline_length_ && (is_inlined() || allocated.bufferlen <= new_length)){ //SSO or big to big
303 21233 int new_size = bitround(new_length + 1);
304
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 21233 if(old_data == inlined.str){
305
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 30982 allocated.str = copy(old_data, min(length(), new_length), (char *)malloc(new_size));
306 }else{
307 784 allocated.str = (char *)realloc(allocated.str, new_size);
308 418 old_data = inlined.str; //this will prevent freeing a dead realloc ptr
309 }
310 21233 allocated.bufferlen = new_size;
311 21233 cached_data = allocated.str;
312 21233 next_resize = allocated.bufferlen;
313
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 1031 }else if(length() > max_inline_length_ && new_length <= max_inline_length_){ //big to SSO
314 1031 copy(old_data, new_length, inlined.str);
315 1031 cached_data = inlined.str;
316 1031 next_resize = max_inline_length_+1;
317 }
318
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 22264 if(old_data != inlined.str && old_data != data()){
319 1031 free((char *)old_data);
320 }
321 }
322 6858870 set_length(new_length);
323
324 6858870 raw()[new_length] = 0; //always ensure null terminator
325 6858870 }
326
327 12103198 bool is_inlined() const
328 {
329
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 27232480 return inlined.len != (unsigned char)-1;
330 }
331 };
332 #define STR (string)
333
334 char * readfile(const char * fname, const char * basepath);
335 char * readfilenative(const char * fname);
336 bool readfile(const char * fname, const char * basepath, char ** data, int * len);//if you want an uchar*, cast it
337 char ** split(char * str, char key, int * len= nullptr);
338 char ** qsplit(char * str, char key, int * len= nullptr);
339 char ** qpsplit(char * str, char key, int * len= nullptr);
340 char ** qsplitstr(char * str, const char * key, int * len= nullptr);
341 bool confirmquotes(const char * str);
342 bool confirmqpar(const char * str);
343 char* strqpchr(char* str, char key);
344 char* strqpstr(char* str, const char* key);
345
346 ✗ inline string hex(unsigned int value)
347 {
348 char buffer[64];
349 if(0);
350 ✗ else if (value<=0x000000FF) sprintf(buffer, "%.2X", value);
351 ✗ else if (value<=0x0000FFFF) sprintf(buffer, "%.4X", value);
352 ✗ else if (value<=0x00FFFFFF) sprintf(buffer, "%.6X", value);
353 ✗ else sprintf(buffer, "%.8X", value);
354 ✗ return buffer;
355 }
356
357 686 inline string hex(unsigned int value, int width)
358 {
359 char buffer[64];
360 686 sprintf(buffer, "%.*X", width, value);
361
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 1029 return buffer;
362 }
363
364 20255 inline string dec(int value)
365 {
366 char buffer[64];
367 20255 sprintf(buffer, "%i", value);
368
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 28350 return buffer;
369 }
370
371 6498 inline string ftostr(double value)
372 {
373 // randomdude999: With 100 digits of precision, the buffer needs to be approx. 311+100,
374 // but let's be safe here https://stackoverflow.com/questions/7235456
375 char rval[512];
376 // RPG Hacker: Ridiculously high precision, I know, but we're working with doubles
377 // here and can afford it, so no need to waste any precision
378 6498 sprintf(rval, "%.100f", value);
379
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 6498 if (strchr(rval, '.'))//nuke useless zeroes
380 {
381 6498 char * end=strrchr(rval, '\0')-1;
382
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 655254 while (*end=='0')
383 {
384 648756 *end='\0';
385 648756 end--;
386 }
387
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 6498 if (*end=='.') *end='\0';
388 }
389
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 9747 return rval;
390 }
391
392 // Same as above, but with variable precision
393 138 inline string ftostrvar(double value, int precision)
394 {
395 69 int clampedprecision = precision;
396
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 69 if (clampedprecision < 0) clampedprecision = 0;
397
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 138 if (clampedprecision > 100) clampedprecision = 100;
398
399 // see above
400 char rval[512];
401 138 sprintf(rval, "%.*f", clampedprecision, (double)value);
402
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 138 if (strchr(rval, '.'))//nuke useless zeroes
403 {
404 132 char * end = strrchr(rval, '\0') - 1;
405
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 546 while (*end == '0')
406 {
407 414 *end = '\0';
408 414 end--;
409 }
410
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 132 if (*end == '.') *end = '\0';
411 }
412
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 207 return rval;
413 }
414
415 263146 inline bool stribegin(const char * str, const char * key)
416 {
417
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 931452 for (int i=0;key[i];i++)
418 {
419
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 905277 if (to_lower(str[i])!=to_lower(key[i])) return false;
420 }
421 5589 return true;
422 }
423
424 inline bool striend(const char * str, const char * key)
425 {
426 const char * keyend=strrchr(key, '\0');
427 const char * strend=strrchr(str, '\0');
428 if(keyend-key > strend-str) return false;
429
430 while (key!=keyend)
431 {
432 keyend--;
433 strend--;
434 if (to_lower(*strend)!=to_lower(*keyend)) return false;
435 }
436 return true;
437 }
438
439 inline bool stricmpwithupper(const char *word1, const char *word2)
440 {
441 while(*word2)
442 {
443 if(to_upper(*word1++) != *word2++) return true;
444 }
445 return *word1;
446 }
447
448 1879803 inline bool stricmpwithlower(const char *word1, const char *word2)
449 {
450
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 2701307 while(*word2)
451 {
452
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 2586069 if(to_lower(*word1++) != *word2++) return true;
453 }
454 115238 return *word1;
455 }
456
457 //function: return the string without quotes around it, if any exists
458 //if they don't exist, return it unaltered
459 //it is not guaranteed to return str
460 //it is not guaranteed to not edit str
461 //the input must be freed even though it's garbage, the output must not
462 29559 inline const char * dequote(char * str)
463 {
464
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 29559 if (*str!='"') return str;
465 27306 char *end = strrchr(str, '"');
466
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 27306 if (end)
467 {
468 27306 *end = 0;
469 27306 char *quote = str+1;
470
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 27738 while((quote = strstr(quote, "\"\""))) memmove(quote, quote+1, strlen(quote));
471 10557 return str + 1;
472 }
473 ✗ return nullptr;
474 }
475
476 35517 inline char * strqchr(const char * str, char key)
477 {
478
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 362762 while (*str != '\0')
479 {
480
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 338006 if (*str == key) { return const_cast<char*>(str); }
481
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 327251 else if (*str == '"' || *str == '\'')
482 {
483 // Special case hack for ''', which is currently our official way of handling the ' character.
484 // Even though it really stinks.
485
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 2375 if (str[0] == '\'' && str[1] == '\'' && str[2] == '\'') { str += 2; }
486 else
487 {
488 1207 char delimiter = *str;
489
490 do
491 {
492 27031 str++;
493
494 // If we want to support backslash escapes, we'll have to add that right here.
495
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 27031 } while (*str != delimiter && *str != '\0');
496
497 // This feels like a superfluous check, but I can't really find a clean way to avoid it.
498
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 2345 if (*str == '\0') { return nullptr; }
499 }
500 }
501
502 327245 str++;
503 }
504
505 12407 return nullptr;
506 }
507
508 3921 inline string substr(const char * str, int len)
509 {
510 3921 return string(str, len);
511 }
512
513 //todo make these members
514 string &strip_prefix(string &str, char c);
515 string &strip_suffix(string &str, char c);
516
517
518 202789 inline char *strip_whitespace(char *str)
519 {
520
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 213923 while(is_space(*str)) str++;
521
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 250101 for(int i = strlen(str) - 1; i >= 0; i--)
522 {
523
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 189892 if(!is_space(str[i]))
524 {
525 142580 str[i + 1] = 0;
526 142580 return str;
527 }
528 }
529 30130 return str;
530 }
531 6667 inline void strip_whitespace(string &str)
532 {
533
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 9995 str = string(strip_whitespace(str.temp_raw()));
534 6667 }
535
536 string &itrim(string &str, const char * left, const char * right);
537
538
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 34168 inline string &lower(string &old)
539 {
540 83 int length = old.length();
541
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 989361 for (int i=0;i<length;i++) old.raw()[i]=(char)to_lower(old.data()[i]);
542 34168 return old;
543 }
544
545
546 // Returns number of connected lines - 1
547 template<typename stringarraytype>
548 143373 inline int getconnectedlines(stringarraytype& lines, int startline, string& out)
549 {
550 68670 int count = 0;
551
552
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 143427 for (int i = startline; lines[i]; i++)
553 {
554 // The line should already be stripped of any comments at this point
555 143427 int linestartpos = (int)strlen(lines[i]);
556
557
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 143427 if(linestartpos && lines[i][linestartpos - 1] == '\\')
558 {
559 54 count++;
560
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 54 out += string(lines[i], linestartpos - 1);
561 27 continue;
562 }
563 else
564 {
565
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 143373 out += string(lines[i], linestartpos);
566 143373 return count;
567 }
568 }
569
570 ✗ return count;
571 }
572