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| version 1.89.2.13.2.4, 2003/03/20 14:19:08 | version 1.115, 2007/09/17 15:14:15 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: commonly used functions. | Parser: commonly used functions. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | 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 |
| static const char* IDENT_COMMON_H="$Date$"; | static const char * const IDENT_COMMON_H="$Date$"; |
| #include "pa_string.h" | #include "pa_string.h" |
| #include "pa_hash.h" | #include "pa_hash.h" |
| //#include "pa_value.h" | class Value; |
| //typedef Hash<String* , ValuePtr> HashStringValue; | typedef Hash<const String::Body , Value*> HashStringValue; |
| class HashStringValue; | |
| // replace system s*nprintf with our versions | // replace system s*nprintf with our versions |
| #undef vsnprintf | #undef vsnprintf |
| Line 59 inline long lseek( int handle, long offs | Line 56 inline long lseek( int handle, long offs |
| #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); | |
| /** under WIN32 "t" mode fixes DOS chars OK, | /** under WIN32 "t" mode fixes DOS chars OK, |
| can't say that about other systems/ line break styles | can't say that about other systems/ line break styles |
| */ | */ |
| void fix_line_breaks( | void fix_line_breaks( |
| char *buf, | char *str, |
| size_t& size ///< may change! used to speedup next actions | size_t& length///< may change! used to speedup next actions |
| ); | ); |
| int pa_lock_shared_blocking(int fd); | |
| int pa_lock_exclusive_blocking(int fd); | |
| int pa_lock_exclusive_nonblocking(int fd); | |
| int pa_unlock(int fd); | |
| void create_dir_for_file(const String& file_spec); | |
| typedef void (*File_read_action)( | typedef void (*File_read_action)( |
| struct stat& finfo, | struct stat& finfo, |
| int f, | int f, |
| Line 118 bool file_read_action_under_lock(const S | Line 96 bool file_read_action_under_lock(const S |
| @returns true if read OK | @returns true if read OK |
| */ | */ |
| char *file_read_text(Charset& charset, | char *file_read_text(Request_charsets& charsets, |
| const String& file_spec, | const String& file_spec, |
| bool fail_on_read_problem=true, | bool fail_on_read_problem=true, |
| HashStringValue* options=0/*, HashStringValue* * out_fields=0*/); | HashStringValue* options=0/*, HashStringValue* * out_fields=0*/); |
| Line 137 struct File_read_result { | Line 115 struct File_read_result { |
| @returns true if read OK | @returns true if read OK |
| */ | */ |
| File_read_result file_read(Charset& charset, | File_read_result file_read(Request_charsets& charsets, |
| const String& file_spec, | const String& file_spec, |
| bool as_text, | bool as_text, |
| HashStringValue* options=0, | HashStringValue* options=0, |
| bool fail_on_read_problem=true); | bool fail_on_read_problem=true, |
| char* buf=0, size_t offset=0, size_t size=0); | |
| typedef void (*File_write_action)(int f, void *context); | typedef void (*File_write_action)(int f, void *context); |
| Line 155 typedef void (*File_write_action)(int f, | Line 134 typedef void (*File_write_action)(int f, |
| */ | */ |
| bool file_write_action_under_lock( | bool file_write_action_under_lock( |
| const String& file_spec, | const String& file_spec, |
| const char* action_name, File_write_action action, void *context, | const char* action_name, |
| File_write_action action, | |
| void *context, | |
| bool as_text=false, | bool as_text=false, |
| bool do_append=false, | bool do_append=false, |
| bool do_block=true, | bool do_block=true, |
| Line 175 void file_write( | Line 156 void file_write( |
| delete specified file | delete specified file |
| throws an exception in case of problems | throws an exception in case of problems |
| */ | */ |
| bool file_delete(const String& file_spec, bool fail_on_read_problem=true); | bool file_delete(const String& file_spec, bool fail_on_problem=true); |
| /** | /** |
| move specified file | move specified file |
| throws an exception in case of problems | throws an exception in case of problems |
| Line 184 void file_move(const String& old_spec, c | Line 165 void file_move(const String& old_spec, c |
| bool entry_exists(const char* fname, struct stat *afinfo=0); | bool entry_exists(const char* fname, struct stat *afinfo=0); |
| bool entry_exists(const String& file_spec); | bool entry_exists(const String& file_spec); |
| bool file_readable(const String& file_spec); | bool file_exist(const String& file_spec); |
| bool dir_readable(const String& file_spec); | bool dir_exists(const String& file_spec); |
| const String* file_readable(String& path, String& name); | const String* file_exist(const String& path, const String& name); |
| bool file_executable(const String& file_spec); | bool file_executable(const String& file_spec); |
| bool file_stat(const String& file_spec, | bool file_stat(const String& file_spec, |
| Line 208 char *lsplit(char **string_ref,char deli | Line 189 char *lsplit(char **string_ref,char deli |
| char *rsplit(char *string, char delim); | char *rsplit(char *string, char delim); |
| const char* format(double value, char *fmt); | const char* format(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); | size_t stdout_write(const void *buf, size_t size); |
| char *unescape_chars(const char* cp, int len); | char *unescape_chars(const char* cp, int len); |
| Line 236 int getMonthDays(int year, int month); | Line 210 int getMonthDays(int year, int month); |
| void remove_crlf(char *start, char *end); | void remove_crlf(char *start, char *end); |
| #ifdef PA_SAFE_MODE | |
| void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname); | |
| #endif | |
| void pa_base64_decode(const char *in, size_t in_size, char*& result, size_t& result_size); | |
| char* pa_base64_encode(const char *in, size_t in_size); | |
| struct File_base64_action_info { | |
| unsigned char** base64; | |
| }; | |
| char* pa_base64_encode(const String& file_spec); | |
| static void file_base64_file_action( | |
| struct stat& finfo, | |
| int f, | |
| const String&, const char* /*fname*/, bool, | |
| void *context); | |
| #define FILE_BUFFER_SIZE 4096 | |
| static unsigned long crc32Table[256]; | |
| static void InitCrc32Table() | |
| { | |
| if(crc32Table[1] == 0){ | |
| // This is the official polynomial used by CRC32 in PKZip. | |
| // Often times the polynomial shown reversed as 0x04C11DB7. | |
| static const unsigned long dwPolynomial = 0xEDB88320; | |
| for(int i = 0; i < 256; i++) | |
| { | |
| unsigned long dwCrc = i; | |
| for(int j = 8; j > 0; j--) | |
| { | |
| if(dwCrc & 1) | |
| dwCrc = (dwCrc >> 1) ^ dwPolynomial; | |
| else | |
| dwCrc >>= 1; | |
| } | |
| crc32Table[i] = dwCrc; | |
| } | |
| } | |
| } | |
| int file_block_read(const int f, unsigned char* buffer, const size_t size); | |
| inline void CalcCrc32(const unsigned char byte, unsigned long &crc32) | |
| { | |
| crc32 = ((crc32) >> 8) ^ crc32Table[(byte) ^ ((crc32) & 0x000000FF)]; | |
| } | |
| const unsigned long pa_crc32(const char *in, size_t in_size); | |
| const unsigned long pa_crc32(const String& file_spec); | |
| static void file_crc32_file_action( | |
| struct stat& finfo, | |
| int f, | |
| const String&, const char* /*fname*/, bool, | |
| void *context); | |
| static const char* hex_string(unsigned char* bytes, size_t size, bool upcase) { | |
| char *bytes_hex=new(PointerFreeGC) char [size*2/*byte->hh*/+1/*for zero-teminator*/]; | |
| unsigned char *src=bytes; | |
| unsigned char *end=bytes+size; | |
| char *dest=bytes_hex; | |
| const char *hex=upcase?"0123456789ABCDEF":"0123456789abcdef"; | |
| for(; src<end; src++) { | |
| *dest++=hex[*src/0x10]; | |
| *dest++=hex[*src%0x10]; | |
| } | |
| *dest=0; | |
| return bytes_hex; | |
| } | |
| int pa_get_valid_file_options_count(HashStringValue& options); | |
| // some stuff for use with .for_each | |
| static void copy_all_overwrite_to( | |
| HashStringValue::key_type key, | |
| HashStringValue::value_type value, | |
| HashStringValue* dest) { | |
| dest->put(key, value); | |
| } | |
| static void remove_key_from( | |
| HashStringValue::key_type key, | |
| HashStringValue::value_type /*value*/, | |
| HashStringValue* dest) { | |
| dest->remove(key); | |
| } | |
| // globals | // globals |
| extern const String file_status_name; | extern const String file_status_name; |
| // global defines for file options which are handled but not checked elsewhere, we check them | |
| #define PA_SQL_LIMIT_NAME "limit" | |
| #define PA_SQL_OFFSET_NAME "offset" | |
| #define PA_COLUMN_SEPARATOR_NAME "separator" | |
| #define PA_COLUMN_ENCLOSER_NAME "encloser" | |
| #define PA_CHARSET_NAME "charset" | |
| // globals defines for sql options | |
| #define SQL_BIND_NAME "bind" | |
| #define SQL_DEFAULT_NAME "default" | |
| #define SQL_DISTINCT_NAME "distinct" | |
| #define SQL_VALUE_TYPE_NAME "type" | |
| #ifndef DOXYGEN | |
| enum Table2hash_distint { D_ILLEGAL, D_FIRST }; | |
| enum Table2hash_value_type { C_HASH, C_STRING, C_TABLE }; | |
| #endif | |
| #endif | #endif |