Annotation of parser3/src/include/pa_common.h, revision 1.190
1.15 paf 1: /** @file
1.16 paf 2: Parser: commonly used functions.
3:
1.188 moko 4: Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.74 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 paf 6: */
7:
8: #ifndef PA_COMMON_H
9: #define PA_COMMON_H
1.78 paf 10:
1.190 ! moko 11: #define IDENT_PA_COMMON_H "$Id: pa_common.h,v 1.189 2020/12/20 20:45:24 moko Exp $"
1.1 paf 12:
1.33 paf 13: #include "pa_string.h"
1.93 paf 14: #include "pa_hash.h"
1.1 paf 15:
1.128 misha 16: class Request;
17:
1.120 misha 18: // defines
1.164 moko 19: #define HTTP_STATUS "status"
1.140 misha 20: #define HTTP_STATUS_CAPITALIZED "Status"
21:
1.164 moko 22: #define HTTP_CONTENT_LENGTH "content-length"
1.136 misha 23:
1.159 moko 24: #define HTTP_CONTENT_TYPE "content-type"
25: #define HTTP_CONTENT_TYPE_UPPER "CONTENT-TYPE"
1.138 misha 26: #define HTTP_CONTENT_TYPE_CAPITALIZED "Content-Type"
1.120 misha 27:
1.159 moko 28: #define CONTENT_DISPOSITION "content-disposition"
29: #define CONTENT_DISPOSITION_UPPER "CONTENT-DISPOSITION"
1.138 misha 30: #define CONTENT_DISPOSITION_CAPITALIZED "Content-Disposition"
1.164 moko 31:
32: #define CONTENT_DISPOSITION_ATTACHMENT "attachment"
33: #define CONTENT_DISPOSITION_INLINE "inline"
1.134 misha 34: #define CONTENT_DISPOSITION_FILENAME_NAME "filename"
35:
1.164 moko 36: #define HTTP_CONTENT_TYPE_FORM_URLENCODED "application/x-www-form-urlencoded"
37: #define HTTP_CONTENT_TYPE_MULTIPART_FORMDATA "multipart/form-data"
38: #define HTTP_CONTENT_TYPE_MULTIPART_RELATED "multipart/related"
39: #define HTTP_CONTENT_TYPE_MULTIPART_MIXED "multipart/mixed"
40:
1.134 misha 41: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
42:
1.132 misha 43: #define HASH_ORDER
44:
45: #ifdef HASH_ORDER
46: #undef PA_HASH_CLASS
47: #include "pa_hash.h"
48: #endif
49:
1.87 paf 50: class Value;
1.132 misha 51: typedef HASH_STRING<Value*> HashStringValue;
1.64 paf 52:
53: // replace system s*nprintf with our versions
1.69 paf 54: #undef vsnprintf
1.167 moko 55: int pa_vsnprintf(char *, size_t, const char* , va_list);
56: #define vsnprintf pa_vsnprintf
1.64 paf 57: #undef snprintf
1.167 moko 58: int pa_snprintf(char *, size_t, const char* , ...);
59: #define snprintf pa_snprintf
1.63 paf 60:
1.153 moko 61: #ifdef _MSC_VER
1.17 paf 62:
63: //access
64: #define F_OK 0
65: #define X_OK 1
66: #define W_OK 2
67: #define R_OK 4
68:
1.20 paf 69: #ifndef strcasecmp
70: # define strcasecmp _stricmp
71: #endif
1.2 paf 72:
1.157 moko 73: #ifndef strncasecmp
74: # define strncasecmp _strnicmp
75: #endif
76:
1.171 moko 77: #define stat __stat64
78: #define pa_fstat _fstat64
79:
1.173 moko 80: int pa_stat(const char *pathname, struct stat *buffer);
81: int pa_open(const char *pathname, int flags, int mode=0);
82: FILE *pa_fopen(const char *pathname, const char *mode);
83:
1.185 moko 84: #define pa_lseek _lseeki64
1.184 moko 85:
1.171 moko 86: #else
87:
88: #define pa_stat stat
89: #define pa_fstat fstat
90:
1.173 moko 91: #define pa_open open
92: #define pa_fopen fopen
93:
1.185 moko 94: #define pa_lseek lseek
1.184 moko 95:
1.17 paf 96: #endif
1.59 paf 97:
1.154 moko 98: /**
99: file related functions
100: */
1.136 misha 101:
1.154 moko 102: #define FILE_BUFFER_SIZE 4096
1.95 paf 103:
104: int pa_lock_shared_blocking(int fd);
105: int pa_lock_exclusive_blocking(int fd);
106: int pa_lock_exclusive_nonblocking(int fd);
107: int pa_unlock(int fd);
1.101 paf 108:
109: void create_dir_for_file(const String& file_spec);
1.93 paf 110:
1.154 moko 111: int pa_get_valid_file_options_count(HashStringValue& options);
112:
1.163 moko 113: typedef void (*File_read_action)(struct stat& finfo, int f, const String& file_spec, void *context);
1.83 paf 114:
115: /**
116: shared-lock specified file,
117: do actions under lock.
118: if fail_on_read_problem is true[default] throws an exception
119:
120: @returns true if read OK
121: */
1.93 paf 122: bool file_read_action_under_lock(const String& file_spec,
123: const char* action_name, File_read_action action, void *context,
1.83 paf 124: bool as_text=false,
125: bool fail_on_read_problem=true);
1.128 misha 126:
1.15 paf 127: /**
1.179 moko 128: read specified text file
1.15 paf 129: if fail_on_read_problem is true[default] throws an exception
1.83 paf 130:
1.93 paf 131: WARNING: charset is used for http header case conversion, it's not a charset of input file!
1.15 paf 132: */
1.179 moko 133: char *file_read_text(Request_charsets& charsets, const String& file_spec, bool fail_on_read_problem = true);
134: char *file_load_text(Request& r, const String& file_spec, bool fail_on_read_problem = true, HashStringValue* options = 0, bool transcode_result = true);
1.128 misha 135:
1.93 paf 136: struct File_read_result {
137: bool success;
138: char* str; size_t length;
139: HashStringValue* headers;
140: };
1.17 paf 141:
142: /**
1.179 moko 143: read specified binary file
1.29 paf 144: if fail_on_read_problem is true[default] throws an exception
1.179 moko 145: */
146:
1.184 moko 147: File_read_result file_read_binary(const String& file_spec, bool fail_on_read_problem = true, char* buf = 0, uint64_t offset = 0, size_t limit = 0);
1.83 paf 148:
1.179 moko 149: /**
150: load specified file
151: if fail_on_read_problem is true[default] throws an exception
1.128 misha 152: */
1.93 paf 153:
1.180 moko 154: File_read_result file_load(Request& r, const String& file_spec, bool as_text, HashStringValue* options=0, bool fail_on_read_problem=true, bool transcode_text_result=true);
1.83 paf 155:
156: typedef void (*File_write_action)(int f, void *context);
1.29 paf 157:
158: /**
1.71 paf 159: lock specified file exclusively,
160: do actions under lock.
161: throws an exception in case of problems
1.72 paf 162:
163: if block=false does non-blocking lock
164: @returns true if locked OK, or false if non-blocking locking failed
1.71 paf 165: */
1.72 paf 166: bool file_write_action_under_lock(
1.71 paf 167: const String& file_spec,
1.114 misha 168: const char* action_name,
169: File_write_action action,
170: void *context,
1.71 paf 171: bool as_text=false,
1.72 paf 172: bool do_append=false,
1.77 paf 173: bool do_block=true,
174: bool fail_on_lock_problem=true);
1.71 paf 175:
176: /**
177: write data to specified file,
1.17 paf 178: throws an exception in case of problems
179: */
1.70 paf 180: void file_write(
1.137 misha 181: Request_charsets& charsets,
1.25 paf 182: const String& file_spec,
1.137 misha 183: const char* data,
184: size_t size,
1.58 paf 185: bool as_text,
1.137 misha 186: bool do_append=false,
187: Charset* asked_charset=0);
1.26 paf 188:
189: /**
190: delete specified file
191: throws an exception in case of problems
192: */
1.149 misha 193: bool file_delete(const String& file_spec, bool fail_on_problem=true, bool keep_empty_dirs=false);
1.47 parser 194: /**
195: move specified file
196: throws an exception in case of problems
197: */
1.149 misha 198: void file_move(const String& old_spec, const String& new_spec, bool keep_empty_dirs=false);
1.27 paf 199:
1.93 paf 200: bool entry_exists(const char* fname, struct stat *afinfo=0);
1.82 paf 201: bool entry_exists(const String& file_spec);
1.107 paf 202: bool file_exist(const String& file_spec);
203: bool dir_exists(const String& file_spec);
204: const String* file_exist(const String& path, const String& name);
1.36 paf 205: bool file_executable(const String& file_spec);
1.37 paf 206:
1.168 moko 207: bool file_stat(const String& file_spec, uint64_t& rsize, time_t& ratime, time_t& rmtime, time_t& rctime, bool fail_on_read_problem=true);
1.181 moko 208: size_t check_file_size(uint64_t size, const String* file_spec);
1.15 paf 209:
1.154 moko 210: size_t stdout_write(const void *buf, size_t size);
211:
212: void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname);
213:
1.186 moko 214: ssize_t file_block_read(const int f, void* buffer, const size_t size);
1.154 moko 215:
216: /**
217: String related functions
218: */
219:
220: /** under WIN32 "t" mode fixes DOS chars OK,
221: can't say that about other systems/ line break styles
1.15 paf 222: */
1.154 moko 223: void fix_line_breaks(char *str, size_t& length /* < may change! used to speedup next actions */);
224:
1.7 paf 225: char *getrow(char **row_ref,char delim='\n');
1.76 paf 226: char *lsplit(char *string, char delim);
1.7 paf 227: char *lsplit(char **string_ref,char delim);
1.8 paf 228: char *rsplit(char *string, char delim);
1.165 moko 229:
1.151 moko 230: const char* format(double value, const char *fmt);
1.10 paf 231:
1.142 misha 232: char* unescape_chars(const char* cp, int len, Charset* client_charset=0, bool js=false/*true==decode \uXXXX and don't convert '+' to space*/);
1.23 paf 233:
1.148 misha 234: char *search_stop(char*& current, char cstop_at);
235:
1.157 moko 236: inline int pa_strncasecmp(const char* str, const char* substr, size_t count=0) {
237: return strncasecmp(str, substr, count ? count : strlen(substr));
238: }
239:
1.23 paf 240: #ifdef WIN32
241: void back_slashes_to_slashes(char *s);
242: #endif
243:
1.121 misha 244: size_t strpos(const char *str, const char *substr);
245:
1.116 misha 246: int remove_crlf(char *start, char *end);
1.90 paf 247:
1.165 moko 248: inline bool pa_isalpha(unsigned char c) { return (((c>='A') && (c<='Z')) || ((c>='a') && (c<='z'))); }
249: inline bool pa_isalnum(unsigned char c) { return (((c>='0') && (c<='9')) || pa_isalpha(c)); }
1.144 misha 250:
1.190 ! moko 251: void pa_strncpy(char *dst, const char *src, size_t n);
1.182 moko 252: char *pa_strcat(const char *a, const char *b, const char *c = 0);
1.183 moko 253: const char *pa_filename(const char *path);
1.182 moko 254:
1.165 moko 255: const char* capitalize(const char* s);
1.189 moko 256: char *str_lower(const char *s, size_t length);
257: char *str_upper(const char *s, size_t length);
258: inline char *str_lower(const char *s) { return str_lower(s, strlen(s)); }
259: inline char *str_upper(const char *s) { return str_upper(s, strlen(s)); }
1.144 misha 260:
1.154 moko 261: const char* hex_string(unsigned char* bytes, size_t size, bool upcase);
1.155 moko 262: extern const char* hex_digits;
1.99 paf 263:
1.158 moko 264: const char *pa_idna_encode(const char *in, Charset &source);
265: const char *pa_idna_decode(const char *in, Charset &source);
266:
1.169 moko 267: unsigned long pa_crc32(const char *in, size_t in_size);
268: unsigned long pa_crc32(const String& file_spec);
1.93 paf 269:
1.154 moko 270: /**
271: Mix functions
272: */
1.106 paf 273:
1.164 moko 274: #define PA_DEFAULT(A,B) ((A) ? (A):(B) )
275:
1.154 moko 276: Charset* detect_charset(const char* content_type);
277:
1.93 paf 278: // globals
279:
280: extern const String file_status_name;
1.1 paf 281:
1.103 paf 282: // global defines for file options which are handled but not checked elsewhere, we check them
283:
284: #define PA_COLUMN_SEPARATOR_NAME "separator"
285: #define PA_COLUMN_ENCLOSER_NAME "encloser"
1.113 misha 286: #define PA_CHARSET_NAME "charset"
1.150 moko 287: #define PA_RESPONSE_CHARSET_NAME "response-charset"
1.103 paf 288:
1.115 misha 289: // globals defines for sql options
290:
291: #define SQL_BIND_NAME "bind"
1.175 moko 292: #define PA_SQL_LIMIT_NAME "limit"
293: #define PA_SQL_OFFSET_NAME "offset"
1.115 misha 294: #define SQL_DEFAULT_NAME "default"
295: #define SQL_DISTINCT_NAME "distinct"
296: #define SQL_VALUE_TYPE_NAME "type"
297:
1.175 moko 298: extern String sql_bind_name;
299: extern String sql_limit_name;
300: extern String sql_offset_name;
301: extern String sql_default_name;
302: extern String sql_distinct_name;
303: extern String sql_value_type_name;
304:
1.115 misha 305: #ifndef DOXYGEN
306: enum Table2hash_distint { D_ILLEGAL, D_FIRST };
1.166 moko 307: enum Table2hash_value_type { C_HASH, C_STRING, C_TABLE, C_CODE };
1.115 misha 308: #endif
309:
1.1 paf 310: #endif
1.115 misha 311:
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