--- parser3/src/include/pa_common.h 2002/08/01 11:26:46 1.78 +++ parser3/src/include/pa_common.h 2003/01/24 08:19:09 1.89.2.2 @@ -1,18 +1,21 @@ /** @file Parser: commonly used functions. - Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef PA_COMMON_H #define PA_COMMON_H -static const char* IDENT_COMMON_H="$Id: pa_common.h,v 1.78 2002/08/01 11:26:46 paf Exp $"; +static const char* IDENT_COMMON_H="$Date: 2003/01/24 08:19:09 $"; #include "pa_pool.h" #include "pa_string.h" +template class Hash; +typedef Hash StringHash; + class Value; // replace system s*nprintf with our versions @@ -89,23 +92,48 @@ void fix_line_breaks( size_t& size ///< may change! used to speedup next actions ); +typedef void (*File_read_action)( + struct stat& finfo, + int f, + ConstStringPtr file_spec, CharPtr 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(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, - const String& file_spec, - bool fail_on_read_problem=true); +char *file_read_text(Pool& pool, + ConstStringPtr file_spec, + bool fail_on_read_problem=true, + StringHash* options=0, StringHash** out_fields=0); /** read specified file using pool, if fail_on_read_problem is true[default] throws an exception + + @returns true if read OK */ -bool file_read(Pool& pool, const String& file_spec, - void*& data, size_t& size, +bool file_read(Pool& pool, + ConstStringPtr file_spec, + void *& ptr, size_t& size, bool as_text, - bool fail_on_read_problem=true, - size_t offset=0, size_t limit=0); + StringHash* options=0, StringHash** out_fields=0, + bool fail_on_read_problem=true); + +typedef void (*File_write_action)(int f, void *context); /** lock specified file exclusively, @@ -116,8 +144,8 @@ bool file_read(Pool& pool, const String& @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, + 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, @@ -128,7 +156,7 @@ bool file_write_action_under_lock( throws an exception in case of problems */ void file_write( - const String& file_spec, + ConstStringPtr file_spec, const void *data, size_t size, bool as_text, bool do_append=false); @@ -137,19 +165,21 @@ void file_write( delete specified file throws an exception in case of problems */ -bool file_delete(const String& file_spec, bool fail_on_read_problem=true); +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(const String& old_spec, const String& new_spec); +void file_move(ConstStringPtr old_spec, ConstStringPtr 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); +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); +String *file_readable(ConstStringPtr path, ConstStringPtr name); +bool file_executable(ConstStringPtr file_spec); -bool file_stat(const String& file_spec, +bool file_stat(ConstStringPtr file_spec, size_t& rsize, time_t& ratime, time_t& rmtime, @@ -166,7 +196,7 @@ char *getrow(char **row_ref,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); +char *format(double value, char *fmt); #ifndef max inline int max(int a, int b) { return a>b?a:b; } @@ -177,15 +207,7 @@ inline size_t min(size_t a, size_t b){ r size_t stdout_write(const void *buf, size_t size); -char *unescape_chars(Pool& pool, const char *cp, int len); - -/** - $content-type[text/html] -> - content-type: text/html - $content-type[$value[text/html] charset[windows-1251]] -> - content-type: text/html; charset=windows-1251 -*/ -const String& attributed_meaning_to_string(Value& meaning, String::Untaint_lang lang); +char *unescape_chars(const char *cp, int len); #ifdef WIN32 void back_slashes_to_slashes(char *s);