Annotation of parser3/src/main/pa_common.C, revision 1.104
1.15 paf 1: /** @file
1.16 paf 2: Parser: commonly functions.
3:
1.102 paf 4: Copyright(c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.101 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.16 paf 6:
1.104 ! paf 7: $Id: pa_common.C,v 1.103 2002/02/13 11:59:29 paf Exp $
1.1 paf 8: */
9:
10: #include "pa_common.h"
1.2 paf 11: #include "pa_types.h"
1.4 paf 12: #include "pa_exception.h"
1.14 paf 13: #include "pa_pool.h"
14: #include "pa_globals.h"
15: #include "pa_value.h"
16: #include "pa_hash.h"
17: #include "pa_string.h"
1.1 paf 18:
1.98 paf 19: #ifdef WIN32
20: # include <windows.h>
21: #endif
22:
1.93 paf 23: // some maybe-undefined constants
24:
1.82 paf 25: #ifndef _O_TEXT
26: # define _O_TEXT 0
27: #endif
28: #ifndef _O_BINARY
29: # define _O_BINARY 0
1.47 paf 30: #endif
1.80 paf 31: #ifndef O_TRUNC
32: # define O_TRUNC 0
33: #endif
34:
1.93 paf 35: // locking constants
36:
1.99 paf 37: #ifdef HAVE_FLOCK
38:
39: static int lock_shared_blocking(int fd) { return flock(fd, LOCK_SH); }
40: static int lock_exclusive_blocking(int fd) { return flock(fd, LOCK_EX); }
41: static int lock_exclusive_nonblocking(int fd) { return flock(fd, LOCK_EX || LOCK_NB); }
42: static int unlock(int fd) { return flock(fd, LOCK_UN); }
43:
1.98 paf 44: #else
1.99 paf 45: #ifdef HAVE__LOCKING
1.98 paf 46:
1.99 paf 47: #define FLOCK(operation) lseek(fd, 0, SEEK_SET); return _locking(fd, operation, 1)
48: static int lock_shared_blocking(int fd) { FLOCK(_LK_LOCK); }
49: static int lock_exclusive_blocking(int fd) { FLOCK(_LK_LOCK); }
50: static int lock_exclusive_nonblocking(int fd) { FLOCK(_LK_NBLCK); }
51: static int unlock(int fd) { FLOCK(_LK_UNLCK); }
1.93 paf 52:
1.99 paf 53: #else
54: #ifdef HAVE_FCNTL
1.93 paf 55:
1.99 paf 56: #define FLOCK(cmd, arg) struct flock ls={arg, SEEK_SET}; return fcntl(fd, cmd, &ls)
57: static int lock_shared_blocking(int fd) { FLOCK(F_SETLKW, F_RDLCK); }
58: static int lock_exclusive_blocking(int fd) { FLOCK(F_SETLKW, F_WRLCK); }
59: static int lock_exclusive_nonblocking(int fd) { FLOCK(F_SETLK, F_RDLCK); }
60: static int unlock(int fd) { FLOCK(F_SETLK, F_UNLCK); }
1.93 paf 61:
62: #else
63: #ifdef HAVE_LOCKF
1.99 paf 64:
65: #define FLOCK(fd, operation) lseek(fd, 0, SEEK_SET); return lockf(fd, operation, 1)
66: static int lock_shared_blocking(int fd) { FLOCK(F_LOCK); } // on intel solaris man doesn't have doc on shared blocking
67: static int lock_exclusive_blocking(int fd) { FLOCK(F_LOCK); }
68: static int lock_exclusive_nonblocking(int fd) { FLOCK(F_TLOCK); }
69: static int unlock(int fd) { FLOCK(F_TLOCK); }
70:
1.93 paf 71: #else
1.99 paf 72:
73: #error unable to find file locking func
74:
75: #endif
1.93 paf 76: #endif
77: #endif
78: #endif
79:
1.86 paf 80: static char *strnchr(char *buf, size_t size, char c) {
1.103 paf 81: // sanity check
82: if(!buf)
83: return 0;
84:
1.86 paf 85: for(; size-->0; buf++) {
86: if(*buf==c)
87: return buf;
88: }
89:
90: return 0;
91: }
92:
93: void fix_line_breaks(char *buf, size_t& size) {
1.87 paf 94: //_asm int 3;
1.86 paf 95: const char * const eob=buf+size;
1.87 paf 96: char *dest=buf;
1.72 parser 97: // fix DOS: \r\n -> \n
98: // fix Macintosh: \r -> \n
1.87 paf 99: char *bol=buf;
1.86 paf 100: while(char *eol=strnchr(bol, eob -bol, '\r')) {
1.72 parser 101: size_t len=eol-bol;
102: if(dest!=bol)
103: memcpy(dest, bol, len);
104: dest+=len;
105: *dest++='\n';
106:
1.87 paf 107: if(&eol[1]<eob && eol[1]=='\n') { // \r,\n = DOS
1.72 parser 108: bol=eol+2;
109: size--;
110: } else // \r,not \n = Macintosh
111: bol=eol+1;
112: }
113: // last piece without \r, including terminating 0
114: if(dest!=bol)
1.87 paf 115: memcpy(dest, bol, eob-bol);
1.72 parser 116: }
1.18 paf 117:
1.28 paf 118: char *file_read_text(Pool& pool, const String& file_spec, bool fail_on_read_problem) {
1.72 parser 119: void *result; size_t size;
120: return file_read(pool, file_spec, result, size, true, fail_on_read_problem)?(char *)result:0;
1.34 paf 121: }
122: bool file_read(Pool& pool, const String& file_spec,
1.87 paf 123: void*& data, size_t& data_size, bool as_text,
1.44 paf 124: bool fail_on_read_problem,
125: size_t offset, size_t limit) {
1.64 parser 126: const char *fname=file_spec.cstr(String::UL_FILE_SPEC);
1.62 parser 127: //printf("file_read(%s)\n", fname);
1.33 paf 128: int f;
1.2 paf 129: struct stat finfo;
1.33 paf 130:
131: // first open, next stat:
1.45 paf 132: // directory update of NTFS hard links performed on open.
1.33 paf 133: // ex:
134: // a.html:^test[] and b.html hardlink to a.html
135: // user inserts ! before ^test in a.html
136: // directory entry of b.html in NTFS not updated at once,
1.35 paf 137: // they delay update till open, so we would receive "!^test[" string
138: // if would do stat, next open.
1.98 paf 139: if((f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0) {
1.99 paf 140: lock_shared_blocking(f);
1.98 paf 141: if(stat(fname, &finfo)!=0) {
142: Exception e(0, 0,
143: &file_spec,
144: "stat failed: %s (%d), actual filename '%s'",
145: strerror(errno), errno, fname);
1.99 paf 146: unlock(f);
1.98 paf 147: close(f);
148: if(fail_on_read_problem)
149: throw e;
150: return false;
151: }
152: size_t max_size=limit?min(offset+limit, (size_t)finfo.st_size)-offset:finfo.st_size;
1.47 paf 153: if(!max_size) { // eof
1.83 paf 154: if(as_text) {
155: data=pool.malloc(1);
156: *(char*)data=0;
157: } else
158: data=0;
1.98 paf 159: data_size=0;
1.59 parser 160: } else {
1.78 paf 161: data=pool.malloc(max_size+(as_text?1:0), 3);
1.59 parser 162: if(offset)
163: lseek(f, offset, SEEK_SET);
1.98 paf 164: data_size=read(f, data, max_size);
1.47 paf 165: }
1.99 paf 166: unlock(f);
1.2 paf 167: close(f);
1.59 parser 168: if(!max_size) // eof
169: return true;
1.32 paf 170:
1.98 paf 171: if(int(data_size)<0 || data_size>max_size)
1.73 parser 172: throw Exception(0, 0,
1.33 paf 173: &file_spec,
1.44 paf 174: "read failed: actually read %d bytes count not in [0..%lu] valid range",
1.98 paf 175: data_size, (unsigned long)max_size); //never
1.87 paf 176:
177: if(as_text) {
178: fix_line_breaks((char *)data, data_size);
179: // note: after fixing
180: ((char*&)data)[data_size]=0;
181: }
1.72 parser 182: return true;
1.2 paf 183: }
1.4 paf 184: if(fail_on_read_problem)
1.73 parser 185: throw Exception(0, 0,
1.33 paf 186: &file_spec,
1.54 parser 187: "read failed: %s (%d), actual filename '%s'",
188: strerror(errno), errno, fname);
1.34 paf 189: return false;
1.8 paf 190: }
191:
1.63 parser 192: static void create_dir_for_file(const String& file_spec) {
193: size_t pos_after=1;
194: int pos_before;
195: while((pos_before=file_spec.pos("/", 1, pos_after))>=0) {
1.64 parser 196: mkdir(file_spec.mid(0, pos_before).cstr(String::UL_FILE_SPEC), 0775);
1.63 parser 197: pos_after=pos_before+1;
198: }
199: }
200:
1.98 paf 201: bool file_write_action_under_lock(
1.28 paf 202: const String& file_spec,
1.96 paf 203: const char *action_name, void (*action)(int, void *), void *context,
1.80 paf 204: bool as_text,
1.98 paf 205: bool do_append,
206: bool do_block) {
1.64 parser 207: const char *fname=file_spec.cstr(String::UL_FILE_SPEC);
1.28 paf 208: int f;
1.80 paf 209: if(access(fname, W_OK)!=0) // no
1.63 parser 210: create_dir_for_file(file_spec);
1.50 paf 211:
1.80 paf 212: if((f=open(fname,
213: O_CREAT|O_RDWR
214: |(as_text?_O_TEXT:_O_BINARY)
1.104 ! paf 215: |(do_append?O_APPEND:O_TRUNC), 0664))>=0) {
1.99 paf 216: if((do_block?lock_exclusive_blocking(f):lock_exclusive_nonblocking(f))!=0) {
1.98 paf 217: close(f);
218: return false;
219: }
1.96 paf 220:
221: try {
222: action(f, context);
223: } catch(...) {
1.98 paf 224: #if O_TRUNC==0
1.104 ! paf 225: if(!do_append)
! 226: ftruncate(f, tell(f));
1.98 paf 227: #endif
1.99 paf 228: unlock(f);
1.96 paf 229: close(f);
230: /*re*/throw;
231: }
1.80 paf 232:
1.98 paf 233: #if O_TRUNC==0
1.104 ! paf 234: if(!do_append)
! 235: ftruncate(f, tell(f));
1.98 paf 236: #endif
1.99 paf 237: unlock(f);
1.80 paf 238: close(f);
1.98 paf 239: return true;
1.80 paf 240: } else
241: throw Exception(0, 0,
242: &file_spec,
1.96 paf 243: "%s failed: %s (%d), actual filename '%s'",
244: action_name, strerror(errno), errno, fname);
245: // here should be nothing, see rethrow above
246: }
247:
248: #ifndef DOXYGEN
249: struct File_write_action_info {
250: const void *data; size_t size;
251: };
252: #endif
253: static void file_write_action(int f, void *context) {
254: File_write_action_info& info=*static_cast<File_write_action_info *>(context);
255: if(info.size)
256: write(f, info.data, info.size);
257: }
258: void file_write(
259: const String& file_spec,
260: const void *data, size_t size,
261: bool as_text,
262: bool do_append) {
263: File_write_action_info info={data, size};
1.98 paf 264: file_write_action_under_lock(
1.96 paf 265: file_spec,
266: "write", file_write_action, &info,
267: as_text,
268: do_append);
1.30 paf 269: }
270:
1.63 parser 271: // throws nothing! [this is required in file_move & file_delete]
1.50 paf 272: static void rmdir(const String& file_spec, size_t pos_after) {
273: int pos_before;
274: if((pos_before=file_spec.pos("/", 1, pos_after))>=0)
275: rmdir(file_spec, pos_before+1);
276:
1.64 parser 277: rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::UL_FILE_SPEC));
1.50 paf 278: }
1.95 paf 279: bool file_delete(const String& file_spec, bool fail_on_read_problem) {
1.64 parser 280: const char *fname=file_spec.cstr(String::UL_FILE_SPEC);
1.54 parser 281: if(unlink(fname)!=0)
1.93 paf 282: if(fail_on_read_problem)
283: throw Exception(0, 0,
284: &file_spec,
285: "unlink failed: %s (%d), actual filename '%s'",
286: strerror(errno), errno, fname);
287: else
288: return false;
1.50 paf 289:
290: rmdir(file_spec, 1);
1.93 paf 291: return true;
1.60 parser 292: }
1.95 paf 293: void file_move(const String& old_spec, const String& new_spec) {
1.64 parser 294: const char *old_spec_cstr=old_spec.cstr(String::UL_FILE_SPEC);
295: const char *new_spec_cstr=new_spec.cstr(String::UL_FILE_SPEC);
1.63 parser 296:
297: create_dir_for_file(new_spec);
298:
1.60 parser 299: if(rename(old_spec_cstr, new_spec_cstr)!=0)
1.73 parser 300: throw Exception(0, 0,
1.60 parser 301: &old_spec,
302: "rename failed: %s (%d), actual filename '%s' to '%s'",
303: strerror(errno), errno, old_spec_cstr, new_spec_cstr);
1.63 parser 304:
305: rmdir(old_spec, 1);
1.31 paf 306: }
307:
1.51 paf 308:
309: static bool entry_readable(const String& file_spec, bool need_dir) {
1.64 parser 310: const char *fname=file_spec.cstr(String::UL_FILE_SPEC);
1.51 paf 311: struct stat finfo;
312: if(access(fname, R_OK)==0 && stat(fname, &finfo)==0) {
1.73 parser 313: bool is_dir=finfo.st_mode&S_IFDIR != 0;
1.51 paf 314: return is_dir==need_dir;
315: }
316: return false;
317: }
1.31 paf 318: bool file_readable(const String& file_spec) {
1.51 paf 319: return entry_readable(file_spec, false);
320: }
321: bool dir_readable(const String& file_spec) {
322: return entry_readable(file_spec, true);
1.65 parser 323: }
324: String *file_readable(const String& path, const String& name) {
325: String *result=new(path.pool()) String(path);
326: *result << "/";
327: *result << name;
328: return file_readable(*result)?result:0;
1.43 paf 329: }
330: bool file_executable(const String& file_spec) {
1.64 parser 331: return access(file_spec.cstr(String::UL_FILE_SPEC), X_OK)==0;
1.44 paf 332: }
333:
1.64 parser 334: bool file_stat(const String& file_spec,
1.58 parser 335: size_t& rsize,
336: time_t& ratime,
337: time_t& rmtime,
1.64 parser 338: time_t& rctime,
339: bool fail_on_read_problem) {
1.44 paf 340: Pool& pool=file_spec.pool();
1.64 parser 341: const char *fname=file_spec.cstr(String::UL_FILE_SPEC);
1.44 paf 342: struct stat finfo;
343: if(stat(fname, &finfo)!=0)
1.64 parser 344: if(fail_on_read_problem)
1.73 parser 345: throw Exception(0, 0,
1.67 parser 346: &file_spec,
347: "getting file size failed: %s (%d), real filename '%s'",
348: strerror(errno), errno, fname);
1.64 parser 349: else
350: return false;
1.58 parser 351: rsize=finfo.st_size;
352: ratime=finfo.st_atime;
353: rmtime=finfo.st_mtime;
354: rctime=finfo.st_ctime;
1.64 parser 355: return true;
1.18 paf 356: }
357:
1.8 paf 358: char *getrow(char **row_ref, char delim) {
359: char *result=*row_ref;
360: if(result) {
361: *row_ref=strchr(result, delim);
362: if(*row_ref)
363: *((*row_ref)++)=0;
364: else if(!*result)
365: return 0;
366: }
367: return result;
368: }
369:
1.23 paf 370: char *lsplit(char *string, char delim) {
371: if(string) {
372: char *v=strchr(string, delim);
1.8 paf 373: if(v) {
374: *v=0;
375: return v+1;
376: }
377: }
378: return 0;
379: }
380:
381: char *lsplit(char **string_ref, char delim) {
382: char *result=*string_ref;
383: char *next=lsplit(*string_ref, delim);
384: *string_ref=next;
385: return result;
1.9 paf 386: }
387:
388: char *rsplit(char *string, char delim) {
1.18 paf 389: if(string) {
1.9 paf 390: char *v=strrchr(string, delim);
1.18 paf 391: if(v) {
1.9 paf 392: *v=0;
393: return v+1;
394: }
395: }
396: return NULL;
1.10 paf 397: }
398:
1.37 paf 399: /// @todo less stupid type detection
1.10 paf 400: char *format(Pool& pool, double value, char *fmt) {
1.78 paf 401: char *result=(char *)pool.malloc(MAX_NUMBER, 4);
1.10 paf 402: if(fmt)
403: if(strpbrk(fmt, "diouxX"))
404: if(strpbrk(fmt, "ouxX"))
1.33 paf 405: snprintf(result, MAX_NUMBER, fmt, (uint)value );
1.10 paf 406: else
1.33 paf 407: snprintf(result, MAX_NUMBER, fmt, (int)value );
1.10 paf 408: else
409: snprintf(result, MAX_NUMBER, fmt, value);
410: else
1.33 paf 411: snprintf(result, MAX_NUMBER, "%d", (int)value);
1.10 paf 412:
413: return result;
1.12 paf 414: }
415:
1.36 paf 416: size_t stdout_write(const void *buf, size_t size) {
1.12 paf 417: #ifdef WIN32
418: do{
419: int chunk_written=fwrite(buf, 1, min(8*0x400, size), stdout);
420: if(chunk_written<=0)
421: break;
422: size-=chunk_written;
1.36 paf 423: buf=((const char*)buf)+chunk_written;
1.12 paf 424: } while(size>0);
425:
426: return size;
427: #else
1.13 paf 428: return fwrite(buf, 1, size, stdout);
1.12 paf 429: #endif
1.2 paf 430: }
1.14 paf 431:
1.77 parser 432: char *unescape_chars(Pool& pool, const char *cp, int len) {
1.78 paf 433: char *s=(char *)pool.malloc(len + 1, 5);
1.14 paf 434: enum EscapeState {
1.33 paf 435: EscapeRest,
436: EscapeFirst,
1.14 paf 437: EscapeSecond
438: } escapeState=EscapeRest;
439: int escapedValue=0;
440: int srcPos=0;
441: int dstPos=0;
442: while(srcPos < len) {
443: int ch=cp[srcPos];
444: switch(escapeState) {
445: case EscapeRest:
446: if(ch=='%') {
447: escapeState=EscapeFirst;
448: } else if(ch=='+') {
449: s[dstPos++]=' ';
450: } else {
451: s[dstPos++]=ch;
452: }
453: break;
454: case EscapeFirst:
455: escapedValue=hex_value[ch] << 4;
456: escapeState=EscapeSecond;
457: break;
458: case EscapeSecond:
459: escapedValue +=hex_value[ch];
460: s[dstPos++]=escapedValue;
461: escapeState=EscapeRest;
462: break;
463: }
464: srcPos++;
465: }
466: s[dstPos]=0;
467: return s;
468: }
469:
1.52 paf 470: /// used by attributed_meaning_to_string / append_attribute_subattribute
1.40 paf 471: struct Attributed_meaning_info {
1.52 paf 472: String *header; // header line being constructed
473: String::Untaint_lang lang; // language in which to append to that line
1.40 paf 474: };
1.17 paf 475: static void append_attribute_subattribute(const Hash::Key& akey, Hash::Val *avalue,
1.14 paf 476: void *info) {
477: if(akey==VALUE_NAME)
478: return;
479:
1.40 paf 480: Attributed_meaning_info& ami=*static_cast<Attributed_meaning_info *>(info);
481:
1.14 paf 482: // ...; charset=windows1251
1.48 paf 483: *ami.header << "; ";
1.70 parser 484: ami.header->append(akey, ami.lang);
1.48 paf 485: *ami.header << "=";
1.70 parser 486: ami.header->append(static_cast<Value *>(avalue)->as_string(), ami.lang);
1.14 paf 487: }
1.49 paf 488: const String& attributed_meaning_to_string(Value& meaning,
489: String::Untaint_lang lang) {
1.20 paf 490: String &result=*new(meaning.pool()) String(meaning.pool());
1.75 parser 491: if(Hash *hash=meaning.get_hash(0)) {
1.14 paf 492: // $value(value) $subattribute(subattribute value)
493: if(Value *value=static_cast<Value *>(hash->get(*value_name)))
1.40 paf 494: result.append(value->as_string(), lang, true);
1.14 paf 495:
1.40 paf 496: Attributed_meaning_info attributed_meaning_info={
1.52 paf 497: &result,
498: lang
1.40 paf 499: };
500: hash->for_each(append_attribute_subattribute, &attributed_meaning_info);
1.14 paf 501: } else // result value
1.40 paf 502: result.append(meaning.as_string(), lang, true);
1.14 paf 503:
504: return result;
1.24 paf 505: }
506:
507: #ifdef WIN32
508: void back_slashes_to_slashes(char *s) {
509: if(s)
510: for(; *s; s++)
511: if(*s=='\\')
512: *s='/';
513: }
1.42 paf 514: /*
515: void slashes_to_back_slashes(char *s) {
516: if(s)
517: for(; *s; s++)
518: if(*s=='/')
519: *s='\\';
520: }
521: */
1.24 paf 522: #endif
1.41 paf 523:
524: bool StrEqNc(const char *s1, const char *s2, bool strict) {
525: while(true) {
526: if(!(*s1)) {
527: if(!(*s2))
528: return true;
529: else
530: return !strict;
531: } else if(!(*s2))
532: return !strict;
533: if(isalpha(*s1)) {
534: if(tolower(*s1) !=tolower(*s2))
535: return false;
536: } else if((*s1) !=(*s2))
537: return false;
538: s1++;
539: s2++;
540: }
1.57 parser 541: }
542:
1.84 paf 543: static bool isLeap(int year) {
1.57 parser 544: return !(
545: (year % 4) || ((year % 400) && !(year % 100))
546: );
547: }
548:
549: int getMonthDays(int year, int month) {
550: int monthDays[]={
551: 31,
552: isLeap(year) ? 29 : 28,
553: 31,
554: 30,
555: 31,
556: 30,
557: 31,
558: 31,
559: 30,
560: 31,
561: 30,
562: 31
563: };
564: return monthDays[month];
1.41 paf 565: }
1.69 parser 566:
567: void remove_crlf(char *start, char *end) {
568: for(char *p=start; p<end; p++)
569: switch(*p) {
570: case '\n': *p='|'; break;
571: case '\r': *p=' '; break;
572: }
1.91 paf 573: }
574:
575:
576: /// must be last in this file
577: #undef vsnprintf
578: int __vsnprintf(char *b, size_t s, const char *f, va_list l) {
579: if(!s)
580: return 0;
581:
582: int r;
583: // note: on win32& maybe somewhere else
584: // vsnprintf do not writes terminating 0 in 'buffer full' case, reducing
585: --s;
586: #if _MSC_VER
587: /*
588: win32:
589: mk:@MSITStore:C:\Program%20Files\Microsoft%20Visual%20Studio\MSDN\2001APR\1033\vccore.chm::/html/_crt__vsnprintf.2c_._vsnwprintf.htm
590:
591: if the number of bytes to write exceeds buffer, then count bytes are written and –1 is returned
592: */
593: r=_vsnprintf(b, s, f, l);
594: if(r<0)
595: r=s;
596: #else
597: r=vsnprintf(b, s, f, l);
598: /*
599: solaris:
600: man vsnprintf
601:
602: The snprintf() function returns the number of characters
603: formatted, that is, the number of characters that would have
604: been written to the buffer if it were large enough. If the
605: value of n is 0 on a call to snprintf(), an unspecified
606: value less than 1 is returned.
607: */
608:
609: if(r<0)
610: r=0;
611: else if(r>s)
612: r=s;
613: #endif
614: b[r]=0;
615: return r;
616: }
617:
618: int __snprintf(char *b, size_t s, const char *f, ...) {
619: va_list l;
620: va_start(l, f);
621: int r=__vsnprintf(b, s, f, l);
622: va_end(l);
623: return r;
1.98 paf 624: }
625:
626: int pa_sleep(unsigned long secs, unsigned long usecs) {
627: for (; usecs >= 1000000; ++secs, usecs -= 1000000);
628:
629: #ifdef WIN32
630: Sleep(secs * 1000 + usecs / 1000);
631: return 0;
632: #else
633: struct timeval t;
634: t.tv_sec = secs;
635: t.tv_usec = usecs;
636: return (select(0, NULL, NULL, NULL, &t) == -1 ? errno : 0);
637: #endif
1.74 parser 638: }
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