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| version 1.7, 2001/03/12 13:13:20 | version 1.146, 2012/03/16 09:24:09 |
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| /* | /** @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) 2001-2012 Art. Lebedev Studio (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> | #define IDENT_PA_COMMON_H "$Id$" |
| #include "pa_pool.h" | |
| #ifdef WIN32 | #include "pa_string.h" |
| #include "pa_hash.h" | |
| class Request; | |
| // defines | |
| #define HTTP_USER_AGENT "user-agent" | |
| #define HTTP_STATUS "status" | |
| #define HTTP_STATUS_CAPITALIZED "Status" | |
| #define HTTP_CONTENT_LENGTH "content-length" | |
| #define HTTP_CONTENT_LENGTH_CAPITALIZED "Content-Length" | |
| #define HTTP_CONTENT_TYPE "content-type" | |
| #define HTTP_CONTENT_TYPE_UPPER "CONTENT-TYPE" | |
| #define HTTP_CONTENT_TYPE_CAPITALIZED "Content-Type" | |
| #define HTTP_CONTENT_TYPE_FORM_URLENCODED "application/x-www-form-urlencoded" | |
| #define HTTP_CONTENT_TYPE_MULTIPART_FORMDATA "multipart/form-data" | |
| #define HTTP_CONTENT_TYPE_MULTIPART_RELATED "multipart/related" | |
| #define HTTP_CONTENT_TYPE_MULTIPART_MIXED "multipart/mixed" | |
| #define CONTENT_TRANSFER_ENCODING_NAME "content-transfer-encoding" | |
| #define CONTENT_TRANSFER_ENCODING_CAPITALIZED "Content-Transfer-Encoding" | |
| #define CONTENT_DISPOSITION "content-disposition" | |
| #define CONTENT_DISPOSITION_CAPITALIZED "Content-Disposition" | |
| #define CONTENT_DISPOSITION_ATTACHMENT "attachment" | |
| #define CONTENT_DISPOSITION_INLINE "inline" | |
| #define CONTENT_DISPOSITION_FILENAME_NAME "filename" | |
| #define BASE64_STRICT_OPTION_NAME "strict" | |
| const String http_content_type(HTTP_CONTENT_TYPE); | |
| const String content_transfer_encoding_name(CONTENT_TRANSFER_ENCODING_NAME); | |
| const String content_disposition(CONTENT_DISPOSITION); | |
| const String content_disposition_inline(CONTENT_DISPOSITION_INLINE); | |
| const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT); | |
| const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME); | |
| #define HASH_ORDER | |
| #ifdef HASH_ORDER | |
| #undef PA_HASH_CLASS | |
| #include "pa_hash.h" | |
| #endif | |
| class Value; | |
| typedef HASH_STRING<Value*> HashStringValue; | |
| // replace system s*nprintf with our versions | |
| #undef vsnprintf | |
| int __vsnprintf(char *, size_t, const char* , va_list); | |
| #define vsnprintf __vsnprintf | #define vsnprintf __vsnprintf |
| #undef snprintf | |
| int __snprintf(char *, size_t, const char* , ...); | |
| #define snprintf __snprintf | #define snprintf __snprintf |
| int __vsnprintf(char *, size_t, const char *, va_list); | #if _MSC_VER |
| int __snprintf(char *, size_t, const char *, ...); | /* |
| 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 | |
| #ifndef strncasecmp | |
| # define strncasecmp _strnicmp | |
| #endif | |
| #ifndef mkdir | |
| # define mkdir(path, mode) _mkdir(path) | |
| #endif | #endif |
| char *file_read(Pool& pool, const char *fname, bool fail_on_read_problem); | #ifndef putenv |
| # define putenv _putenv | |
| #endif | |
| #endif | |
| const char* capitalize(const char* s); | |
| /** under WIN32 "t" mode fixes DOS chars OK, | |
| can't say that about other systems/ line break styles | |
| */ | |
| void fix_line_breaks( | |
| char *str, | |
| 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)( | |
| struct stat& finfo, | |
| int f, | |
| const String& 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(const String& 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 | |
| if fail_on_read_problem is true[default] throws an exception | |
| WARNING: charset is used for http header case conversion, it's not a charset of input file! | |
| */ | |
| char *file_read_text(Request_charsets& charsets, | |
| const String& file_spec, | |
| bool fail_on_read_problem=true, | |
| HashStringValue* options=0, | |
| bool transcode_result=true); | |
| char *file_load_text(Request& r, | |
| const String& file_spec, | |
| bool fail_on_read_problem=true, | |
| HashStringValue* options=0, | |
| bool transcode_result=true); | |
| struct File_read_result { | |
| bool success; | |
| char* str; size_t length; | |
| HashStringValue* headers; | |
| }; | |
| /** | |
| read specified file using | |
| if fail_on_read_problem is true[default] throws an exception | |
| WARNING: charset is used for http header case conversion, it's not a charset of input file! | |
| */ | |
| File_read_result file_read(Request_charsets& charsets, | |
| const String& file_spec, | |
| bool as_text, | |
| HashStringValue* options=0, | |
| bool fail_on_read_problem=true, | |
| char* buf=0, size_t offset=0, size_t size=0, bool transcode_text_result=true); | |
| File_read_result file_load(Request& r, | |
| const String& file_spec, | |
| bool as_text, | |
| HashStringValue* options=0, | |
| bool fail_on_read_problem=true, | |
| char* buf=0, size_t offset=0, size_t size=0, bool transcode_text_result=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( | |
| const String& 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( | |
| Request_charsets& charsets, | |
| const String& file_spec, | |
| const char* data, | |
| size_t size, | |
| bool as_text, | |
| bool do_append=false, | |
| Charset* asked_charset=0); | |
| /** | |
| delete specified file | |
| throws an exception in case of problems | |
| */ | |
| bool file_delete(const String& file_spec, bool fail_on_problem=true); | |
| /** | |
| move specified file | |
| throws an exception in case of problems | |
| */ | |
| void file_move(const String& old_spec, const String& new_spec); | |
| bool entry_exists(const char* fname, struct stat *afinfo=0); | |
| bool entry_exists(const String& file_spec); | |
| bool file_exist(const String& file_spec); | |
| bool dir_exists(const String& file_spec); | |
| const String* file_exist(const String& path, const String& name); | |
| bool file_executable(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, | |
| @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); | |
| const char* format(double value, char *fmt); | |
| size_t stdout_write(const void *buf, size_t size); | |
| char* unescape_chars(const char* cp, int len, Charset* client_charset=0, bool js=false/*true==decode \uXXXX and don't convert '+' to space*/); | |
| #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 StrStartFromNC(const char* str, const char* substr, bool equal=false); | |
| size_t strpos(const char *str, const char *substr); | |
| Charset* detect_charset(const char* content_type); | |
| #define SECS_PER_DAY (60*60*24) | |
| int getMonthDays(int year, int month); | |
| int remove_crlf(char *start, char *end); | |
| inline bool pa_isalpha(unsigned char c) { | |
| return (((c>='A') && (c<='Z')) || ((c>='a') && (c<='z'))); | |
| } | |
| inline bool pa_isalnum(unsigned char c) { | |
| return (((c>='0') && (c<='9')) || pa_isalpha(c)); | |
| } | |
| void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname); | |
| void pa_base64_decode(const char *in, size_t in_size, char*& result, size_t& result_size, bool strict=false); | |
| 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); | |
| } | |
| static String::C date_gmt_string(tm* tms) { | |
| /// http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3 | |
| static const char month_names[12][4]={ | |
| "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"}; | |
| static const char days[7][4]={ | |
| "Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; | |
| char *buf=new(PointerFreeGC) char[MAX_STRING]; | |
| return String::C(buf, | |
| snprintf(buf, MAX_STRING, "%s, %.2d %s %.4d %.2d:%.2d:%.2d GMT", | |
| days[tms->tm_wday], | |
| tms->tm_mday,month_names[tms->tm_mon],tms->tm_year+1900, | |
| tms->tm_hour,tms->tm_min,tms->tm_sec)); | |
| } | |
| static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) { | |
| size_t size=0; // just to calm down compiler | |
| if(beforelast) | |
| size=s.length(); | |
| size_t at; | |
| while((at=s.pos(String::Body(substr), after))!=STRING_NOT_FOUND) { | |
| size_t newafter=at+substr_size/*skip substr*/; | |
| if(beforelast && newafter==size) | |
| break; | |
| after=newafter; | |
| } | |
| return after; | |
| } | |
| // globals | |
| 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 | |