Annotation of parser3/src/include/pa_common.h, revision 1.89.2.2
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:
1.89.2.2! paf 11: static const char* IDENT_COMMON_H="$Date: 2003/01/23 17:05:33 $";
1.1 paf 12:
1.2 paf 13: #include "pa_pool.h"
1.33 paf 14: #include "pa_string.h"
1.1 paf 15:
1.89.2.1 paf 16: template<typename K, typename V> class Hash;
17: typedef Hash<ConstStringPtr, ConstStringPtr> StringHash;
18:
1.87 paf 19: class Value;
1.64 paf 20:
21: // replace system s*nprintf with our versions
1.69 paf 22: #undef vsnprintf
1.63 paf 23: int __vsnprintf(char *, size_t, const char *, va_list);
1.64 paf 24: #define vsnprintf __vsnprintf
25: #undef snprintf
1.63 paf 26: int __snprintf(char *, size_t, const char *, ...);
1.64 paf 27: #define snprintf __snprintf
1.63 paf 28:
1.21 paf 29: #if _MSC_VER
1.56 paf 30: /*
31: inline int open( const char *filename, int oflag ) { return _open(filename, oflag); }
32: inline int close( int handle ) { return _close(handle); }
33: inline int read( int handle, void *buffer, unsigned int count ) { return _read(handle,buffer,count); }
34: inline int write( int handle, const void *buffer, unsigned int count ) { return _write(handle,buffer,count); }
35: inline int stat( const char *path, struct _stat *buffer ) { return _stat(path, buffer); }
36: inline long lseek( int handle, long offset, int origin ) { return _lseek(handle, offset, origin); }
37: */
1.17 paf 38:
39: //access
40: #define F_OK 0
41: #define X_OK 1
42: #define W_OK 2
43: #define R_OK 4
44:
1.20 paf 45: #ifndef strcasecmp
46: # define strcasecmp _stricmp
47: #endif
48: #ifndef strncasecmp
49: # define strncasecmp _strnicmp
50: #endif
51: #ifndef mkdir
52: # define mkdir(path, mode) _mkdir(path)
53: #endif
1.17 paf 54:
1.20 paf 55: #ifndef putenv
56: # define putenv _putenv
1.1 paf 57: #endif
1.2 paf 58:
1.17 paf 59: #endif
1.59 paf 60:
1.61 paf 61: #ifdef HAVE_TRUNC
62: # ifndef trunc
63: extern "C" double trunc(double);
64: # endif
65: #else
1.59 paf 66: inline double trunc(double param) { return param > 0? floor(param) : ceil(param); }
67: #endif
1.61 paf 68:
69: #ifdef HAVE_ROUND
70: # ifndef round
71: extern "C" double round(double);
72: # endif
73: #else
1.59 paf 74: inline double round(double param) { return floor(param+0.5); }
75: #endif
1.61 paf 76: #ifdef HAVE_SIGN
77: # ifndef sign
78: extern "C" double sign(double);
79: # endif
80: #else
1.59 paf 81: inline double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); }
82: #endif
1.87 paf 83:
1.72 paf 84: /// yields to OS for secs secs and usecs milliseconds
85: int pa_sleep(unsigned long secs, unsigned long usecs);
1.54 parser 86:
87: /** under WIN32 "t" mode fixes DOS chars OK,
88: can't say that about other systems/ line break styles
89: */
1.57 paf 90: void fix_line_breaks(
1.62 paf 91: char *buf,
92: size_t& size ///< may change! used to speedup next actions
1.57 paf 93: );
1.17 paf 94:
1.89.2.1 paf 95: typedef void (*File_read_action)(
1.84 paf 96: struct stat& finfo,
1.83 paf 97: int f,
1.89.2.2! paf 98: ConstStringPtr file_spec, CharPtr fname, bool as_text,
1.83 paf 99: void *context);
100:
101: /**
102: shared-lock specified file,
103: do actions under lock.
104: if fail_on_read_problem is true[default] throws an exception
105:
106: @returns true if read OK
107: */
1.89.2.1 paf 108: bool file_read_action_under_lock(ConstStringPtr file_spec,
1.83 paf 109: const char *action_name, File_read_action action, void *context,
110: bool as_text=false,
111: bool fail_on_read_problem=true);
1.15 paf 112: /**
1.19 paf 113: read specified text file using pool,
1.15 paf 114: if fail_on_read_problem is true[default] throws an exception
1.83 paf 115:
116: @returns true if read OK
1.15 paf 117: */
1.89.2.1 paf 118: char *file_read_text(Pool& pool,
119: ConstStringPtr file_spec,
1.85 paf 120: bool fail_on_read_problem=true,
1.89.2.1 paf 121: StringHash* options=0, StringHash** out_fields=0);
1.17 paf 122:
123: /**
1.29 paf 124: read specified file using pool,
125: if fail_on_read_problem is true[default] throws an exception
1.83 paf 126:
127: @returns true if read OK
1.29 paf 128: */
1.89.2.1 paf 129: bool file_read(Pool& pool,
130: ConstStringPtr file_spec,
131: void *& ptr, size_t& size,
1.29 paf 132: bool as_text,
1.89.2.1 paf 133: StringHash* options=0, StringHash** out_fields=0,
1.83 paf 134: bool fail_on_read_problem=true);
135:
136: typedef void (*File_write_action)(int f, void *context);
1.29 paf 137:
138: /**
1.71 paf 139: lock specified file exclusively,
140: do actions under lock.
141: throws an exception in case of problems
1.72 paf 142:
143: if block=false does non-blocking lock
144: @returns true if locked OK, or false if non-blocking locking failed
1.71 paf 145: */
1.72 paf 146: bool file_write_action_under_lock(
1.89.2.1 paf 147: ConstStringPtr file_spec,
1.83 paf 148: const char *action_name, File_write_action action, void *context,
1.71 paf 149: bool as_text=false,
1.72 paf 150: bool do_append=false,
1.77 paf 151: bool do_block=true,
152: bool fail_on_lock_problem=true);
1.71 paf 153:
154: /**
155: write data to specified file,
1.17 paf 156: throws an exception in case of problems
157: */
1.70 paf 158: void file_write(
1.89.2.1 paf 159: ConstStringPtr file_spec,
1.29 paf 160: const void *data, size_t size,
1.58 paf 161: bool as_text,
1.67 paf 162: bool do_append=false);
1.26 paf 163:
164: /**
165: delete specified file
166: throws an exception in case of problems
167: */
1.89.2.1 paf 168: bool file_delete(ConstStringPtr file_spec, bool fail_on_read_problem=true);
1.47 parser 169: /**
170: move specified file
171: throws an exception in case of problems
172: */
1.89.2.1 paf 173: void file_move(ConstStringPtr old_spec, ConstStringPtr new_spec);
1.27 paf 174:
1.81 paf 175: bool entry_exists(const char *fname, struct stat *afinfo=0);
1.89.2.1 paf 176: bool entry_exists(ConstStringPtr file_spec);
177: bool file_readable(ConstStringPtr file_spec);
178: bool dir_readable(ConstStringPtr file_spec);
179: String *file_readable(ConstStringPtr path, ConstStringPtr name);
180: bool file_executable(ConstStringPtr file_spec);
1.37 paf 181:
1.89.2.1 paf 182: bool file_stat(ConstStringPtr file_spec,
1.46 parser 183: size_t& rsize,
184: time_t& ratime,
185: time_t& rmtime,
1.48 parser 186: time_t& rctime,
187: bool fail_on_read_problem=true);
1.15 paf 188:
189: /**
1.18 paf 190: scans for @a delim[default \n] in @a *row_ref,
191: @return piece of line before it or end of string, if no @a delim found
192: assigns @a *row_ref to point right after delimiter if there were one
193: or to zero if no @a delim were found.
1.15 paf 194: */
1.7 paf 195: char *getrow(char **row_ref,char delim='\n');
1.76 paf 196: char *lsplit(char *string, char delim);
1.7 paf 197: char *lsplit(char **string_ref,char delim);
1.8 paf 198: char *rsplit(char *string, char delim);
1.89.2.1 paf 199: char *format(double value, char *fmt);
1.10 paf 200:
201: #ifndef max
1.75 paf 202: inline int max(int a, int b) { return a>b?a:b; }
203: inline int min(int a, int b){ return a<b?a:b; }
204: inline size_t max(size_t a, size_t b) { return a>b?a:b; }
205: inline size_t min(size_t a, size_t b){ return a<b?a:b; }
1.10 paf 206: #endif
207:
1.30 paf 208: size_t stdout_write(const void *buf, size_t size);
1.14 paf 209:
1.89.2.1 paf 210: char *unescape_chars(const char *cp, int len);
1.23 paf 211:
212: #ifdef WIN32
213: void back_slashes_to_slashes(char *s);
1.35 paf 214: //void slashes_to_back_slashes(char *s);
1.23 paf 215: #endif
216:
1.28 paf 217: #ifndef _qsort
218: # define _qsort(names,cnt,sizeof_names,func_addr) \
219: qsort(names,cnt,sizeof_names,func_addr)
220: #endif
1.34 paf 221:
1.40 paf 222: bool StrEqNc(const char *s1, const char *s2, bool strict=true);
1.45 parser 223:
224: #define SECS_PER_DAY (60*60*24)
225: int getMonthDays(int year, int month);
1.52 parser 226:
227: void remove_crlf(char *start, char *end);
1.1 paf 228:
229: #endif
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