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| version 1.8, 2001/03/12 17:00:46 | version 1.89.2.4, 2003/01/27 15:07:47 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: commonly used functions. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #ifndef PA_COMMON_H | #ifndef PA_COMMON_H |
| #define PA_COMMON_H | #define PA_COMMON_H |
| #include <stdarg.h> | static const char* IDENT_COMMON_H="$Date$"; |
| #include "pa_pool.h" | #include "pa_pool.h" |
| #include "pa_string.h" | |
| #include "pa_hash.h" | |
| #include "pa_value.h" | |
| #ifdef WIN32 | typedef Hash<ConstStringPtr, ValuePtr> HashStringValue; |
| #define vsnprintf __vsnprintf | |
| #define snprintf __snprintf | |
| // replace system s*nprintf with our versions | |
| #undef vsnprintf | |
| int __vsnprintf(char *, size_t, const char *, va_list); | int __vsnprintf(char *, size_t, const char *, va_list); |
| #define vsnprintf __vsnprintf | |
| #undef snprintf | |
| int __snprintf(char *, size_t, const char *, ...); | int __snprintf(char *, size_t, const char *, ...); |
| #define snprintf __snprintf | |
| #if _MSC_VER | |
| /* | |
| inline int open( const char *filename, int oflag ) { return _open(filename, oflag); } | |
| inline int close( int handle ) { return _close(handle); } | |
| inline int read( int handle, void *buffer, unsigned int count ) { return _read(handle,buffer,count); } | |
| inline int write( int handle, const void *buffer, unsigned int count ) { return _write(handle,buffer,count); } | |
| inline int stat( const char *path, struct _stat *buffer ) { return _stat(path, buffer); } | |
| inline long lseek( int handle, long offset, int origin ) { return _lseek(handle, offset, origin); } | |
| */ | |
| //access | |
| #define F_OK 0 | |
| #define X_OK 1 | |
| #define W_OK 2 | |
| #define R_OK 4 | |
| #ifndef strcasecmp | |
| # define strcasecmp _stricmp | |
| #endif | #endif |
| #ifndef strncasecmp | |
| # define strncasecmp _strnicmp | |
| #endif | |
| #ifndef mkdir | |
| # define mkdir(path, mode) _mkdir(path) | |
| #endif | |
| #ifndef putenv | |
| # define putenv _putenv | |
| #endif | |
| #endif | |
| #ifdef HAVE_TRUNC | |
| # ifndef trunc | |
| extern "C" double trunc(double); | |
| # endif | |
| #else | |
| inline double trunc(double param) { return param > 0? floor(param) : ceil(param); } | |
| #endif | |
| #ifdef HAVE_ROUND | |
| # ifndef round | |
| extern "C" double round(double); | |
| # endif | |
| #else | |
| inline double round(double param) { return floor(param+0.5); } | |
| #endif | |
| #ifdef HAVE_SIGN | |
| # ifndef sign | |
| extern "C" double sign(double); | |
| # endif | |
| #else | |
| inline double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); } | |
| #endif | |
| /// yields to OS for secs secs and usecs milliseconds | |
| int pa_sleep(unsigned long secs, unsigned long usecs); | |
| char *file_read(Pool& pool, const char *fname, bool fail_on_read_problem=true); | /** under WIN32 "t" mode fixes DOS chars OK, |
| can't say that about other systems/ line break styles | |
| */ | |
| void fix_line_breaks( | |
| char *buf, | |
| size_t& size ///< may change! used to speedup next actions | |
| ); | |
| typedef void (*File_read_action)(Pool& pool, | |
| struct stat& finfo, | |
| int f, | |
| ConstStringPtr file_spec, const char *fname, bool as_text, | |
| void *context); | |
| /** | |
| shared-lock specified file, | |
| do actions under lock. | |
| if fail_on_read_problem is true[default] throws an exception | |
| @returns true if read OK | |
| */ | |
| bool file_read_action_under_lock(Pool& pool, ConstStringPtr file_spec, | |
| const char *action_name, File_read_action action, void *context, | |
| bool as_text=false, | |
| bool fail_on_read_problem=true); | |
| /** | |
| read specified text file using pool, | |
| if fail_on_read_problem is true[default] throws an exception | |
| @returns true if read OK | |
| */ | |
| char *file_read_text(Pool& pool, Charset& charset, | |
| ConstStringPtr file_spec, | |
| bool fail_on_read_problem=true, | |
| HashStringValue* options=0, HashStringValue** out_fields=0); | |
| struct File_read_result { | |
| bool success; | |
| HashStringValuePtr fields; | |
| }; | |
| /** | |
| read specified file using pool, | |
| if fail_on_read_problem is true[default] throws an exception | |
| @returns true if read OK | |
| */ | |
| File_read_result file_read(Pool& pool, Charset& charset, | |
| ConstStringPtr file_spec, | |
| char *& ptr, size_t& size, | |
| bool as_text, | |
| HashStringValue* options=0, HashStringValue** out_fields=0, | |
| bool fail_on_read_problem=true); | |
| typedef void (*File_write_action)(int f, void *context); | |
| /** | |
| lock specified file exclusively, | |
| do actions under lock. | |
| throws an exception in case of problems | |
| if block=false does non-blocking lock | |
| @returns true if locked OK, or false if non-blocking locking failed | |
| */ | |
| bool file_write_action_under_lock( | |
| ConstStringPtr file_spec, | |
| const char *action_name, File_write_action action, void *context, | |
| bool as_text=false, | |
| bool do_append=false, | |
| bool do_block=true, | |
| bool fail_on_lock_problem=true); | |
| /** | |
| write data to specified file, | |
| throws an exception in case of problems | |
| */ | |
| void file_write( | |
| ConstStringPtr file_spec, | |
| const void *data, size_t size, | |
| bool as_text, | |
| bool do_append=false); | |
| /** | |
| delete specified file | |
| throws an exception in case of problems | |
| */ | |
| bool file_delete(ConstStringPtr file_spec, bool fail_on_read_problem=true); | |
| /** | |
| move specified file | |
| throws an exception in case of problems | |
| */ | |
| void file_move(ConstStringPtr old_spec, ConstStringPtr new_spec); | |
| bool entry_exists(const char *fname, struct stat *afinfo=0); | |
| bool entry_exists(ConstStringPtr file_spec); | |
| bool file_readable(ConstStringPtr file_spec); | |
| bool dir_readable(ConstStringPtr file_spec); | |
| ConstStringPtr file_readable(ConstStringPtr path, ConstStringPtr name); | |
| bool file_executable(ConstStringPtr file_spec); | |
| bool file_stat(ConstStringPtr file_spec, | |
| size_t& rsize, | |
| time_t& ratime, | |
| time_t& rmtime, | |
| time_t& rctime, | |
| bool fail_on_read_problem=true); | |
| /** | |
| scans for @a delim[default \n] in @a *row_ref, | |
| @return piece of line before it or end of string, if no @a delim found | |
| assigns @a *row_ref to point right after delimiter if there were one | |
| or to zero if no @a delim were found. | |
| */ | |
| char *getrow(char **row_ref,char delim='\n'); | char *getrow(char **row_ref,char delim='\n'); |
| //char *lsplit(char *,char); | char *lsplit(char *string, char delim); |
| char *lsplit(char **string_ref,char delim); | char *lsplit(char **string_ref,char delim); |
| char *rsplit(char *string, char delim); | char *rsplit(char *string, char delim); |
| const char *format(Pool& pool, double value, char *fmt); | |
| #ifndef max | |
| inline int max(int a, int b) { return a>b?a:b; } | |
| inline int min(int a, int b){ return a<b?a:b; } | |
| inline size_t max(size_t a, size_t b) { return a>b?a:b; } | |
| inline size_t min(size_t a, size_t b){ return a<b?a:b; } | |
| #endif | |
| size_t stdout_write(const void *buf, size_t size); | |
| char *unescape_chars(const char *cp, int len); | |
| #ifdef WIN32 | |
| void back_slashes_to_slashes(char *s); | |
| //void slashes_to_back_slashes(char *s); | |
| #endif | |
| #ifndef _qsort | |
| # define _qsort(names,cnt,sizeof_names,func_addr) \ | |
| qsort(names,cnt,sizeof_names,func_addr) | |
| #endif | |
| bool StrEqNc(const char *s1, const char *s2, bool strict=true); | |
| #define SECS_PER_DAY (60*60*24) | |
| int getMonthDays(int year, int month); | |
| void remove_crlf(char *start, char *end); | |
| #endif | #endif |