Annotation of parser3/src/include/pa_common.h, revision 1.89.2.13.2.2

1.15      paf         1: /** @file
1.16      paf         2:        Parser: commonly used functions.
                      3: 
1.89.2.7  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: 
1.89.2.13.2.2! (paf       11:: static const char* IDENT_COMMON_H="$Date: 2003/03/18 15:14:16 $";
1.89.2.13.2.1  (paf       12:: 
1.1       paf        13: 
1.33      paf        14: #include "pa_string.h"
1.89.2.3  paf        15: #include "pa_hash.h"
1.1       paf        16: 
1.89.2.13.2.2! (paf       17:: //#include "pa_value.h"
        !            18:: //typedef Hash<String* , ValuePtr> HashStringValue;
        !            19:: 
        !            20:: class HashStringValue;
1.64      paf        21: 
                     22: // replace system s*nprintf with our versions
1.69      paf        23: #undef vsnprintf 
1.89.2.7  paf        24: int __vsnprintf(char *, size_t, const char* , va_list);
1.64      paf        25: #define vsnprintf __vsnprintf 
                     26: #undef snprintf
1.89.2.7  paf        27: int __snprintf(char *, size_t, const char* , ...);
1.64      paf        28: #define snprintf __snprintf
1.63      paf        29: 
1.21      paf        30: #if _MSC_VER
1.56      paf        31: /*
1.89.2.7  paf        32: inline int open( const char* filename, int oflag ) { return _open(filename, oflag); }
1.56      paf        33: inline int close( int handle ) { return _close(handle); }
                     34: inline int read( int handle, void *buffer, unsigned int count ) { return _read(handle,buffer,count); }
                     35: inline int write( int handle, const void *buffer, unsigned int count ) { return _write(handle,buffer,count); }
1.89.2.7  paf        36: inline int stat( const char* path, struct _stat *buffer ) { return _stat(path, buffer); }
1.56      paf        37: inline long lseek( int handle, long offset, int origin ) { return _lseek(handle, offset, origin); }
                     38: */
1.17      paf        39: 
                     40: //access
                     41: #define F_OK 0
                     42: #define X_OK 1
                     43: #define W_OK 2
                     44: #define R_OK 4
                     45: 
1.20      paf        46: #ifndef strcasecmp
                     47: #      define strcasecmp _stricmp
                     48: #endif
                     49: #ifndef strncasecmp
                     50: #      define strncasecmp _strnicmp
                     51: #endif
                     52: #ifndef mkdir
                     53: #      define mkdir(path, mode) _mkdir(path)
                     54: #endif
1.17      paf        55: 
1.20      paf        56: #ifndef putenv
                     57: #      define putenv _putenv
1.1       paf        58: #endif
1.2       paf        59: 
1.17      paf        60: #endif
1.59      paf        61: 
1.61      paf        62: #ifdef HAVE_TRUNC
                     63: #      ifndef trunc
                     64: extern "C" double trunc(double);
                     65: #      endif
                     66: #else
1.59      paf        67: inline double trunc(double param) { return param > 0? floor(param) : ceil(param); }
                     68: #endif
1.61      paf        69: 
                     70: #ifdef HAVE_ROUND
                     71: #      ifndef round
                     72: extern "C" double round(double);
                     73: #      endif
                     74: #else
1.59      paf        75: inline double round(double param) { return floor(param+0.5); }
                     76: #endif
1.61      paf        77: #ifdef HAVE_SIGN
                     78: #      ifndef sign
                     79: extern "C" double sign(double);
                     80: #      endif
                     81: #else
1.59      paf        82: inline double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); }
                     83: #endif
1.87      paf        84: 
1.72      paf        85: /// yields to OS for secs secs and usecs milliseconds
                     86: int pa_sleep(unsigned long secs, unsigned long usecs);
1.54      parser     87: 
                     88: /** under WIN32 "t" mode fixes DOS chars OK, 
                     89:        can't say that about other systems/ line break styles
                     90: */
1.57      paf        91: void fix_line_breaks(
1.89.2.13.2.1  (paf       92::                    char *buf,
                     93::                    size_t& size ///< may change! used to speedup next actions
                     94::                    );
                     95:: 
                     96:: typedef void (*File_read_action)(
                     97::                                struct stat& finfo,
                     98::                                int f, 
                     99::                                const String& file_spec, const char* fname, bool as_text,
                    100::                                void *context);
1.83      paf       101: 
                    102: /**
                    103:        shared-lock specified file, 
                    104:        do actions under lock.
                    105:        if fail_on_read_problem is true[default] throws an exception
                    106:        
                    107:        @returns true if read OK
                    108: */
1.89.2.13.2.1  (paf      109:: bool file_read_action_under_lock(const String& file_spec, 
1.89.2.7  paf       110:                                const char* action_name, File_read_action action, void *context,
1.83      paf       111:                                bool as_text=false,
                    112:                                bool fail_on_read_problem=true);
1.15      paf       113: /**
1.19      paf       114:        read specified text file using pool, 
1.15      paf       115:        if fail_on_read_problem is true[default] throws an exception
1.83      paf       116: 
1.89.2.8  paf       117:        WARNING: charset is used for http header case conversion, it's not a charset of input file!
                    118: 
1.83      paf       119:        @returns true if read OK
1.15      paf       120: */
1.89.2.13.2.1  (paf      121:: char *file_read_text(Charset& charset, 
                    122::                                        const String& file_spec, 
1.85      paf       123:                                         bool fail_on_read_problem=true,
1.89.2.13.2.2! (paf      124::                                        HashStringValue* options=0/*, HashStringValue* * out_fields=0*/);
1.17      paf       125: 
1.89.2.4  paf       126: struct File_read_result {
                    127:        bool success;
1.89.2.12  paf       128:        char* data; size_t size;
1.89.2.13.2.2! (paf      129::       HashStringValue* headers;
1.89.2.4  paf       130: };
                    131: 
1.17      paf       132: /**
1.29      paf       133:        read specified file using pool, 
                    134:        if fail_on_read_problem is true[default] throws an exception
1.89.2.8  paf       135: 
                    136:        WARNING: charset is used for http header case conversion, it's not a charset of input file!
1.83      paf       137: 
                    138:        @returns true if read OK
1.29      paf       139: */
1.89.2.13.2.1  (paf      140:: File_read_result file_read(Charset& charset, 
                    141::                          const String& file_spec, 
1.29      paf       142:                           bool as_text,
1.89.2.9  paf       143:                           HashStringValue* options=0,
1.83      paf       144:                           bool fail_on_read_problem=true);
                    145: 
                    146: typedef void (*File_write_action)(int f, void *context);
1.29      paf       147: 
                    148: /**
1.71      paf       149:        lock specified file exclusively, 
                    150:        do actions under lock.
                    151:        throws an exception in case of problems
1.72      paf       152:        
                    153:        if block=false does non-blocking lock
                    154:        @returns true if locked OK, or false if non-blocking locking failed
1.71      paf       155: */
1.72      paf       156: bool file_write_action_under_lock(
1.89.2.13.2.1  (paf      157::                               const String& file_spec, 
1.89.2.7  paf       158:                                const char* action_name, File_write_action action, void *context,
1.71      paf       159:                                bool as_text=false,
1.72      paf       160:                                bool do_append=false,
1.77      paf       161:                                bool do_block=true,
                    162:                                bool fail_on_lock_problem=true);
1.71      paf       163: 
                    164: /**
                    165:        write data to specified file, 
1.17      paf       166:        throws an exception in case of problems
                    167: */
1.70      paf       168: void file_write(
1.89.2.13.2.1  (paf      169::                               const String& file_spec,
1.89.2.10  paf       170:                                const char* data, size_t size, 
1.58      paf       171:                                bool as_text,
1.67      paf       172:                                bool do_append=false);
1.26      paf       173: 
                    174: /**
                    175:        delete specified file 
                    176:        throws an exception in case of problems
                    177: */
1.89.2.13.2.1  (paf      178:: bool file_delete(const String& file_spec, bool fail_on_read_problem=true);
1.47      parser    179: /**
                    180:        move specified file 
                    181:        throws an exception in case of problems
                    182: */
1.89.2.13.2.1  (paf      183:: void file_move(const String& old_spec, const String& new_spec);
1.27      paf       184: 
1.89.2.7  paf       185: bool entry_exists(const char* fname, struct stat *afinfo=0);
1.89.2.13.2.1  (paf      186:: bool entry_exists(const String& file_spec);
                    187:: bool file_readable(const String& file_spec);
                    188:: bool dir_readable(const String& file_spec);
                    189:: const String& file_readable(String& path, String& name);
                    190:: bool file_executable(const String& file_spec);
1.37      paf       191: 
1.89.2.13.2.1  (paf      192:: bool file_stat(const String& file_spec, 
1.46      parser    193:                           size_t& rsize, 
                    194:                           time_t& ratime,
                    195:                           time_t& rmtime,
1.48      parser    196:                           time_t& rctime,
                    197:                           bool fail_on_read_problem=true);
1.15      paf       198: 
                    199: /**
1.18      paf       200:        scans for @a delim[default \n] in @a *row_ref, 
                    201:        @return piece of line before it or end of string, if no @a delim found
                    202:        assigns @a *row_ref to point right after delimiter if there were one
                    203:        or to zero if no @a delim were found.
1.15      paf       204: */
1.7       paf       205: char *getrow(char **row_ref,char delim='\n');
1.76      paf       206: char *lsplit(char *string, char delim);
1.7       paf       207: char *lsplit(char **string_ref,char delim);
1.8       paf       208: char *rsplit(char *string, char delim);
1.89.2.13.2.1  (paf      209:: const char* format(double value, char *fmt);
1.10      paf       210: 
                    211: #ifndef max
1.75      paf       212: inline int max(int a, int b) { return a>b?a:b; }
                    213: inline int min(int a, int b){ return a<b?a:b; }
                    214: inline size_t max(size_t a, size_t b) { return a>b?a:b; }
                    215: inline size_t min(size_t a, size_t b){ return a<b?a:b; }
1.10      paf       216: #endif
                    217: 
1.30      paf       218: size_t stdout_write(const void *buf, size_t size);
1.14      paf       219: 
1.89.2.13.2.1  (paf      220:: char *unescape_chars(const char* cp, int len);
1.23      paf       221: 
                    222: #ifdef WIN32
                    223: void back_slashes_to_slashes(char *s);
1.35      paf       224: //void slashes_to_back_slashes(char *s);
1.23      paf       225: #endif
                    226: 
1.28      paf       227: #ifndef _qsort
                    228: #      define _qsort(names,cnt,sizeof_names,func_addr) \
                    229:                qsort(names,cnt,sizeof_names,func_addr)
                    230: #endif
1.34      paf       231: 
1.89.2.7  paf       232: bool StrEqNc(const char* s1, const char* s2, bool strict=true);
1.45      parser    233: 
                    234: #define SECS_PER_DAY (60*60*24)
                    235: int getMonthDays(int year, int month);
1.52      parser    236: 
                    237: void remove_crlf(char *start, char *end);
1.89.2.9  paf       238: 
                    239: // globals
                    240: 
1.89.2.13.2.1  (paf      241:: extern const String& file_status_name;
1.1       paf       242: 
                    243: #endif

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