--- parser3/src/include/pa_common.h 2001/04/25 11:02:52 1.41 +++ parser3/src/include/pa_common.h 2002/08/01 11:26:46 1.78 @@ -1,54 +1,37 @@ /** @file Parser: commonly used functions. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - - Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: pa_common.h,v 1.41 2001/04/25 11:02:52 paf Exp $ + Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef PA_COMMON_H #define PA_COMMON_H -#include "pa_config_includes.h" -#include +static const char* IDENT_COMMON_H="$Id: pa_common.h,v 1.78 2002/08/01 11:26:46 paf Exp $"; #include "pa_pool.h" #include "pa_string.h" -//class String; class Value; -#if _MSC_VER - -#ifndef open -# define open _open -#endif -#ifndef close -# define close _close -#endif -#ifndef read -# define read _read -#endif -#ifndef write -# define write _write -#endif -#ifndef stat -# define stat _stat -#endif -#ifndef lseek -# define lseek _lseek -#endif - -#ifndef vsnprintf -# define vsnprintf __vsnprintf +// replace system s*nprintf with our versions +#undef vsnprintf int __vsnprintf(char *, size_t, const char *, va_list); -#endif -#ifndef snprintf -# define snprintf __snprintf +#define vsnprintf __vsnprintf +#undef snprintf int __snprintf(char *, size_t, const char *, ...); -#endif +#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 @@ -72,6 +55,40 @@ int __snprintf(char *, size_t, const cha #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); + +/** 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 + ); + /** read specified text file using pool, if fail_on_read_problem is true[default] throws an exception @@ -91,26 +108,53 @@ bool file_read(Pool& pool, const String& size_t offset=0, size_t limit=0); /** - write data to specified file using pool, + 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( + const String& file_spec, + const char *action_name, void (*action)(int, void *), void *context=0, + 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(Pool& pool, +void file_write( const String& file_spec, const void *data, size_t size, - bool as_text/*, - bool exclusive=false*/); + bool as_text, + bool do_append=false); /** delete specified file throws an exception in case of problems */ -void file_delete(Pool& pool, const String& file_spec); +bool file_delete(const String& file_spec, bool fail_on_read_problem=true); +/** + move specified file + throws an exception in case of problems +*/ +void file_move(const String& old_spec, const String& new_spec); bool file_readable(const String& file_spec); bool dir_readable(const String& file_spec); +String *file_readable(const String& path, const String& name); bool file_executable(const String& file_spec); -size_t file_size(const String& file_spec); +bool file_stat(const String& 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, @@ -119,19 +163,21 @@ size_t file_size(const String& file_spec or to zero if no @a delim were found. */ char *getrow(char **row_ref,char delim='\n'); -//char *lsplit(char *string, char delim); +char *lsplit(char *string, char delim); char *lsplit(char **string_ref,char delim); char *rsplit(char *string, char delim); 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 ab?a:b; } +inline int min(int a, int b){ return ab?a:b; } +inline size_t min(size_t a, size_t b){ return a @@ -152,6 +198,10 @@ void back_slashes_to_slashes(char *s); #endif bool StrEqNc(const char *s1, const char *s2, bool strict=true); -char *unquote(char*& current, char stop_at); + +#define SECS_PER_DAY (60*60*24) +int getMonthDays(int year, int month); + +void remove_crlf(char *start, char *end); #endif