Annotation of parser3/src/include/pa_common.h, revision 1.89
1.15 paf 1: /** @file
1.16 paf 2: Parser: commonly used functions.
3:
1.89 ! paf 4: Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
1.74 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 paf 6: */
7:
8: #ifndef PA_COMMON_H
9: #define PA_COMMON_H
1.78 paf 10:
1.89 ! paf 11: static const char* IDENT_COMMON_H="$Date: 2002/12/02 10:07:39 $";
1.1 paf 12:
1.2 paf 13: #include "pa_pool.h"
1.33 paf 14: #include "pa_string.h"
1.1 paf 15:
1.85 paf 16: class Hash;
1.87 paf 17: class Value;
1.64 paf 18:
19: // replace system s*nprintf with our versions
1.69 paf 20: #undef vsnprintf
1.63 paf 21: int __vsnprintf(char *, size_t, const char *, va_list);
1.64 paf 22: #define vsnprintf __vsnprintf
23: #undef snprintf
1.63 paf 24: int __snprintf(char *, size_t, const char *, ...);
1.64 paf 25: #define snprintf __snprintf
1.63 paf 26:
1.21 paf 27: #if _MSC_VER
1.56 paf 28: /*
29: inline int open( const char *filename, int oflag ) { return _open(filename, oflag); }
30: inline int close( int handle ) { return _close(handle); }
31: inline int read( int handle, void *buffer, unsigned int count ) { return _read(handle,buffer,count); }
32: inline int write( int handle, const void *buffer, unsigned int count ) { return _write(handle,buffer,count); }
33: inline int stat( const char *path, struct _stat *buffer ) { return _stat(path, buffer); }
34: inline long lseek( int handle, long offset, int origin ) { return _lseek(handle, offset, origin); }
35: */
1.17 paf 36:
37: //access
38: #define F_OK 0
39: #define X_OK 1
40: #define W_OK 2
41: #define R_OK 4
42:
1.20 paf 43: #ifndef strcasecmp
44: # define strcasecmp _stricmp
45: #endif
46: #ifndef strncasecmp
47: # define strncasecmp _strnicmp
48: #endif
49: #ifndef mkdir
50: # define mkdir(path, mode) _mkdir(path)
51: #endif
1.17 paf 52:
1.20 paf 53: #ifndef putenv
54: # define putenv _putenv
1.1 paf 55: #endif
1.2 paf 56:
1.17 paf 57: #endif
1.59 paf 58:
1.61 paf 59: #ifdef HAVE_TRUNC
60: # ifndef trunc
61: extern "C" double trunc(double);
62: # endif
63: #else
1.59 paf 64: inline double trunc(double param) { return param > 0? floor(param) : ceil(param); }
65: #endif
1.61 paf 66:
67: #ifdef HAVE_ROUND
68: # ifndef round
69: extern "C" double round(double);
70: # endif
71: #else
1.59 paf 72: inline double round(double param) { return floor(param+0.5); }
73: #endif
1.61 paf 74: #ifdef HAVE_SIGN
75: # ifndef sign
76: extern "C" double sign(double);
77: # endif
78: #else
1.59 paf 79: inline double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); }
80: #endif
1.87 paf 81:
82: /**
83: $content-type[text/html] ->
84: content-type: text/html
85: $content-type[$value[text/html] charset[windows-1251]] ->
86: content-type: text/html; charset=windows-1251
87: */
1.88 paf 88: const String& attributed_meaning_to_string(Value& meaning, String::Untaint_lang lang, bool forced);
1.59 paf 89:
1.72 paf 90: /// yields to OS for secs secs and usecs milliseconds
91: int pa_sleep(unsigned long secs, unsigned long usecs);
1.54 parser 92:
93: /** under WIN32 "t" mode fixes DOS chars OK,
94: can't say that about other systems/ line break styles
95: */
1.57 paf 96: void fix_line_breaks(
1.62 paf 97: char *buf,
98: size_t& size ///< may change! used to speedup next actions
1.57 paf 99: );
1.17 paf 100:
1.83 paf 101: typedef void (*File_read_action)(Pool& pool,
1.84 paf 102: struct stat& finfo,
1.83 paf 103: int f,
104: const String& file_spec, const char *fname, bool as_text,
105: void *context);
106:
107: /**
108: shared-lock specified file,
109: do actions under lock.
110: if fail_on_read_problem is true[default] throws an exception
111:
112: @returns true if read OK
113: */
114: bool file_read_action_under_lock(Pool& pool, const String& file_spec,
115: const char *action_name, File_read_action action, void *context,
116: bool as_text=false,
117: bool fail_on_read_problem=true);
1.15 paf 118: /**
1.19 paf 119: read specified text file using pool,
1.15 paf 120: if fail_on_read_problem is true[default] throws an exception
1.83 paf 121:
122: @returns true if read OK
1.15 paf 123: */
1.19 paf 124: char *file_read_text(Pool& pool,
1.25 paf 125: const String& file_spec,
1.85 paf 126: bool fail_on_read_problem=true,
1.86 paf 127: Hash *options=0, Hash** out_fields=0);
1.17 paf 128:
129: /**
1.29 paf 130: read specified file using pool,
131: if fail_on_read_problem is true[default] throws an exception
1.83 paf 132:
133: @returns true if read OK
1.29 paf 134: */
135: bool file_read(Pool& pool, const String& file_spec,
136: void*& data, size_t& size,
137: bool as_text,
1.86 paf 138: Hash *options=0, Hash** out_fields=0,
1.83 paf 139: bool fail_on_read_problem=true);
140:
141: typedef void (*File_write_action)(int f, void *context);
1.29 paf 142:
143: /**
1.71 paf 144: lock specified file exclusively,
145: do actions under lock.
146: throws an exception in case of problems
1.72 paf 147:
148: if block=false does non-blocking lock
149: @returns true if locked OK, or false if non-blocking locking failed
1.71 paf 150: */
1.72 paf 151: bool file_write_action_under_lock(
1.71 paf 152: const String& file_spec,
1.83 paf 153: const char *action_name, File_write_action action, void *context,
1.71 paf 154: bool as_text=false,
1.72 paf 155: bool do_append=false,
1.77 paf 156: bool do_block=true,
157: bool fail_on_lock_problem=true);
1.71 paf 158:
159: /**
160: write data to specified file,
1.17 paf 161: throws an exception in case of problems
162: */
1.70 paf 163: void file_write(
1.25 paf 164: const String& file_spec,
1.29 paf 165: const void *data, size_t size,
1.58 paf 166: bool as_text,
1.67 paf 167: bool do_append=false);
1.26 paf 168:
169: /**
170: delete specified file
171: throws an exception in case of problems
172: */
1.70 paf 173: bool file_delete(const String& file_spec, bool fail_on_read_problem=true);
1.47 parser 174: /**
175: move specified file
176: throws an exception in case of problems
177: */
1.70 paf 178: void file_move(const String& old_spec, const String& new_spec);
1.27 paf 179:
1.81 paf 180: bool entry_exists(const char *fname, struct stat *afinfo=0);
1.82 paf 181: bool entry_exists(const String& file_spec);
1.27 paf 182: bool file_readable(const String& file_spec);
1.41 paf 183: bool dir_readable(const String& file_spec);
1.49 parser 184: String *file_readable(const String& path, const String& name);
1.36 paf 185: bool file_executable(const String& file_spec);
1.37 paf 186:
1.48 parser 187: bool file_stat(const String& file_spec,
1.46 parser 188: size_t& rsize,
189: time_t& ratime,
190: time_t& rmtime,
1.48 parser 191: time_t& rctime,
192: bool fail_on_read_problem=true);
1.15 paf 193:
194: /**
1.18 paf 195: scans for @a delim[default \n] in @a *row_ref,
196: @return piece of line before it or end of string, if no @a delim found
197: assigns @a *row_ref to point right after delimiter if there were one
198: or to zero if no @a delim were found.
1.15 paf 199: */
1.7 paf 200: char *getrow(char **row_ref,char delim='\n');
1.76 paf 201: char *lsplit(char *string, char delim);
1.7 paf 202: char *lsplit(char **string_ref,char delim);
1.8 paf 203: char *rsplit(char *string, char delim);
1.9 paf 204: char *format(Pool& pool, double value, char *fmt);
1.10 paf 205:
206: #ifndef max
1.75 paf 207: inline int max(int a, int b) { return a>b?a:b; }
208: inline int min(int a, int b){ return a<b?a:b; }
209: inline size_t max(size_t a, size_t b) { return a>b?a:b; }
210: inline size_t min(size_t a, size_t b){ return a<b?a:b; }
1.10 paf 211: #endif
212:
1.30 paf 213: size_t stdout_write(const void *buf, size_t size);
1.14 paf 214:
1.55 parser 215: char *unescape_chars(Pool& pool, const char *cp, int len);
1.23 paf 216:
217: #ifdef WIN32
218: void back_slashes_to_slashes(char *s);
1.35 paf 219: //void slashes_to_back_slashes(char *s);
1.23 paf 220: #endif
221:
1.28 paf 222: #ifndef _qsort
223: # define _qsort(names,cnt,sizeof_names,func_addr) \
224: qsort(names,cnt,sizeof_names,func_addr)
225: #endif
1.34 paf 226:
1.40 paf 227: bool StrEqNc(const char *s1, const char *s2, bool strict=true);
1.45 parser 228:
229: #define SECS_PER_DAY (60*60*24)
230: int getMonthDays(int year, int month);
1.52 parser 231:
232: void remove_crlf(char *start, char *end);
1.1 paf 233:
234: #endif
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