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| version 1.46.2.1, 2001/04/16 11:26:43 | version 1.80, 2001/10/31 14:01:45 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: commonly functions. | Parser: commonly functions. |
| Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) | Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru>(http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru>(http://design.ru/paf) |
| $Id$ | $Id$ |
| */ | */ |
| #include "pa_config_includes.h" | |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_exception.h" | #include "pa_exception.h" |
| Line 19 | Line 16 |
| #include "pa_hash.h" | #include "pa_hash.h" |
| #include "pa_string.h" | #include "pa_string.h" |
| #ifndef WIN32 | #ifdef WIN32 |
| # ifndef _O_TEXT | # ifndef _O_TEXT |
| # define _O_TEXT 0 | # define _O_TEXT 0 |
| # endif | # endif |
| Line 28 | Line 25 |
| # endif | # endif |
| #endif | #endif |
| #ifndef O_TRUNC | |
| # define O_TRUNC 0 | |
| #endif | |
| #if _MSC_VER | #if _MSC_VER |
| int __vsnprintf(char *b, size_t s, const char *f, va_list l) { | int __vsnprintf(char *b, size_t s, const char *f, va_list l) { |
| Line 45 int __snprintf(char *b, size_t s, const | Line 46 int __snprintf(char *b, size_t s, const |
| #endif | #endif |
| void fix_line_breaks(char *cstr, size_t& size) { | |
| char *dest=cstr; | |
| // fix DOS: \r\n -> \n | |
| // fix Macintosh: \r -> \n | |
| char *bol=cstr; | |
| while(char *eol=strchr(bol, '\r')) { | |
| size_t len=eol-bol; | |
| if(dest!=bol) | |
| memcpy(dest, bol, len); | |
| dest+=len; | |
| *dest++='\n'; | |
| if(eol[1]=='\n') { // \r,\n = DOS | |
| bol=eol+2; | |
| size--; | |
| } else // \r,not \n = Macintosh | |
| bol=eol+1; | |
| } | |
| // last piece without \r, including terminating 0 | |
| if(dest!=bol) | |
| strcpy(dest, bol); | |
| } | |
| char *file_read_text(Pool& pool, const String& file_spec, bool fail_on_read_problem) { | char *file_read_text(Pool& pool, const String& file_spec, bool fail_on_read_problem) { |
| void *result; | void *result; size_t size; |
| size_t size; | return file_read(pool, file_spec, result, size, true, fail_on_read_problem)?(char *)result:0; |
| return file_read(pool, file_spec, result, size, true, | |
| fail_on_read_problem)?(char *)result:0; | |
| } | } |
| bool file_read(Pool& pool, const String& file_spec, | bool file_read(Pool& pool, const String& file_spec, |
| void*& data, size_t& read_size, bool as_text, | void*& data, size_t& read_size, bool as_text, |
| bool fail_on_read_problem, | bool fail_on_read_problem, |
| size_t offset, size_t limit) { | size_t offset, size_t limit) { |
| const char *fname=file_spec.cstr(String::UL_FILE_NAME); | const char *fname=file_spec.cstr(String::UL_FILE_SPEC); |
| //printf("file_read(%s)\n", fname); | |
| int f; | int f; |
| struct stat finfo; | struct stat finfo; |
| Line 69 bool file_read(Pool& pool, const String& | Line 91 bool file_read(Pool& pool, const String& |
| // they delay update till open, so we would receive "!^test[" string | // they delay update till open, so we would receive "!^test[" string |
| // if would do stat, next open. | // if would do stat, next open. |
| if( | if( |
| (f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0 && | (f=open(fname, O_RDONLY|(as_text?_O_BINARY/*_O_TEXT*/:_O_BINARY)))>=0 && |
| stat(fname, &finfo)==0) { | stat(fname, &finfo)==0) { |
| /*if(exclusive) | /*if(exclusive) |
| flock(f, LOCK_EX);*/ | flock(f, LOCK_EX);*/ |
| size_t max_size=limit?min(offset+limit, finfo.st_size)-offset:finfo.st_size; | size_t max_size=limit?min(offset+limit, finfo.st_size)-offset:finfo.st_size; |
| data=pool.malloc(max_size+(as_text?1:0)); | if(!max_size) { // eof |
| if(offset) | data=0; |
| lseek(f, offset, SEEK_SET); | read_size=0; |
| read_size=read(f, data, max_size); | } else { |
| data=pool.malloc(max_size+(as_text?1:0), 3); | |
| if(offset) | |
| lseek(f, offset, SEEK_SET); | |
| read_size=read(f, data, max_size); | |
| } | |
| /*if(exclusive) | /*if(exclusive) |
| flock(f, LOCK_UN);*/ | flock(f, LOCK_UN);*/ |
| close(f); | close(f); |
| if(!max_size) // eof | |
| return true; | |
| if(read_size>=0 && read_size<=max_size) { | if(read_size>=0 && read_size<=max_size) { |
| if(as_text) | if(as_text) |
| ((char*&)data)[read_size]=0; | ((char*&)data)[read_size]=0; |
| } else | } else |
| PTHROW(0, 0, | throw Exception(0, 0, |
| &file_spec, | &file_spec, |
| "read failed: actually read %d bytes count not in [0..%lu] valid range", | "read failed: actually read %d bytes count not in [0..%lu] valid range", |
| read_size, (unsigned long)max_size); //never | read_size, (unsigned long)max_size); //never |
| return true;//prepare_config(result, remove_empty_lines); | if(as_text) |
| fix_line_breaks((char *)data, read_size); | |
| return true; | |
| } | } |
| if(fail_on_read_problem) | if(fail_on_read_problem) |
| PTHROW(0, 0, | throw Exception(0, 0, |
| &file_spec, | &file_spec, |
| "read failed: %s (%d)", strerror(errno), errno); | "read failed: %s (%d), actual filename '%s'", |
| strerror(errno), errno, fname); | |
| return false; | return false; |
| } | } |
| /// @test mkdirs | static void create_dir_for_file(const String& file_spec) { |
| size_t pos_after=1; | |
| int pos_before; | |
| while((pos_before=file_spec.pos("/", 1, pos_after))>=0) { | |
| mkdir(file_spec.mid(0, pos_before).cstr(String::UL_FILE_SPEC), 0775); | |
| pos_after=pos_before+1; | |
| } | |
| } | |
| void file_write(Pool& pool, | void file_write(Pool& pool, |
| const String& file_spec, | const String& file_spec, |
| const void *data, size_t size, | const void *data, size_t size, |
| bool as_text/*, | bool as_text, |
| bool do_append/*, | |
| bool exclusive*/) { | bool exclusive*/) { |
| const char *fname=file_spec.cstr(String::UL_FILE_NAME); | const char *fname=file_spec.cstr(String::UL_FILE_SPEC); |
| int f; | int f; |
| if(access(fname, F_OK)!=0) {/*no*/ | if(access(fname, W_OK)!=0) // no |
| if((f=open(fname, O_WRONLY|O_CREAT|_O_BINARY, 0666))>0) | create_dir_for_file(file_spec); |
| close(f); | |
| } | if((f=open(fname, |
| if(access(fname, R_OK|W_OK)==0) { | O_CREAT|O_RDWR |
| int mode=O_RDWR|(as_text?_O_TEXT:_O_BINARY) | |(as_text?_O_TEXT:_O_BINARY) |
| #ifdef WIN32 | |(do_append?O_APPEND:O_TRUNC), 0666))>=0) { |
| |O_TRUNC | /*if(exclusive) |
| #endif | flock(f, LOCK_EX);*/ |
| ; | |
| if((f=open(fname, mode, 0666))>=0) { | if(size) write(f, data, size); |
| /*if(exclusive) | #if O_TRUNC==0 |
| flock(f, LOCK_EX);*/ | ftruncate(f, size); |
| if(size) write(f, data, size); | |
| #ifndef WIN32 | |
| ftruncate(f, size); | |
| #endif | #endif |
| /*if(exclusive) | /*if(exclusive) |
| flock(f, LOCK_UN);*/ | flock(f, LOCK_UN);*/ |
| close(f); | close(f); |
| return; | } else |
| } | throw Exception(0, 0, |
| } | &file_spec, |
| PTHROW(0, 0, | "write failed: %s (%d), actual filename '%s'", |
| &file_spec, | strerror(errno), errno, fname); |
| "write failed: %s (%d)", strerror(errno), errno); | |
| } | } |
| // throws nothing! [this is required in file_move & file_delete] | |
| static void rmdir(const String& file_spec, size_t pos_after) { | |
| int pos_before; | |
| if((pos_before=file_spec.pos("/", 1, pos_after))>=0) | |
| rmdir(file_spec, pos_before+1); | |
| rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::UL_FILE_SPEC)); | |
| } | |
| void file_delete(Pool& pool, const String& file_spec) { | void file_delete(Pool& pool, const String& file_spec) { |
| if(unlink(file_spec.cstr(String::UL_FILE_NAME))!=0) | const char *fname=file_spec.cstr(String::UL_FILE_SPEC); |
| PTHROW(0, 0, | if(unlink(fname)!=0) |
| throw Exception(0, 0, | |
| &file_spec, | &file_spec, |
| "unlink failed: %s (%d)", strerror(errno), errno); | "unlink failed: %s (%d), actual filename '%s'", |
| strerror(errno), errno, fname); | |
| rmdir(file_spec, 1); | |
| } | } |
| void file_move(Pool& pool, const String& old_spec, const String& new_spec) { | |
| const char *old_spec_cstr=old_spec.cstr(String::UL_FILE_SPEC); | |
| const char *new_spec_cstr=new_spec.cstr(String::UL_FILE_SPEC); | |
| create_dir_for_file(new_spec); | |
| if(rename(old_spec_cstr, new_spec_cstr)!=0) | |
| throw Exception(0, 0, | |
| &old_spec, | |
| "rename failed: %s (%d), actual filename '%s' to '%s'", | |
| strerror(errno), errno, old_spec_cstr, new_spec_cstr); | |
| rmdir(old_spec, 1); | |
| } | |
| static bool entry_readable(const String& file_spec, bool need_dir) { | |
| const char *fname=file_spec.cstr(String::UL_FILE_SPEC); | |
| struct stat finfo; | |
| if(access(fname, R_OK)==0 && stat(fname, &finfo)==0) { | |
| bool is_dir=finfo.st_mode&S_IFDIR != 0; | |
| return is_dir==need_dir; | |
| } | |
| return false; | |
| } | |
| bool file_readable(const String& file_spec) { | bool file_readable(const String& file_spec) { |
| return access(file_spec.cstr(String::UL_FILE_NAME), R_OK)==0; | return entry_readable(file_spec, false); |
| } | |
| bool dir_readable(const String& file_spec) { | |
| return entry_readable(file_spec, true); | |
| } | |
| String *file_readable(const String& path, const String& name) { | |
| String *result=new(path.pool()) String(path); | |
| *result << "/"; | |
| *result << name; | |
| return file_readable(*result)?result:0; | |
| } | } |
| bool file_executable(const String& file_spec) { | bool file_executable(const String& file_spec) { |
| return access(file_spec.cstr(String::UL_FILE_NAME), X_OK)==0; | return access(file_spec.cstr(String::UL_FILE_SPEC), X_OK)==0; |
| } | } |
| 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) { | |
| Pool& pool=file_spec.pool(); | Pool& pool=file_spec.pool(); |
| const char *fname=file_spec.cstr(String::UL_FILE_NAME); | const char *fname=file_spec.cstr(String::UL_FILE_SPEC); |
| struct stat finfo; | struct stat finfo; |
| if(stat(fname, &finfo)!=0) | if(stat(fname, &finfo)!=0) |
| PTHROW(0, 0, | if(fail_on_read_problem) |
| &file_spec, | throw Exception(0, 0, |
| "write failed: %s (%d)", strerror(errno), errno); | &file_spec, |
| return finfo.st_size; | "getting file size failed: %s (%d), real filename '%s'", |
| strerror(errno), errno, fname); | |
| else | |
| return false; | |
| rsize=finfo.st_size; | |
| ratime=finfo.st_atime; | |
| rmtime=finfo.st_mtime; | |
| rctime=finfo.st_ctime; | |
| return true; | |
| } | } |
| char *getrow(char **row_ref, char delim) { | char *getrow(char **row_ref, char delim) { |
| Line 205 char *rsplit(char *string, char delim) { | Line 299 char *rsplit(char *string, char delim) { |
| /// @todo less stupid type detection | /// @todo less stupid type detection |
| char *format(Pool& pool, double value, char *fmt) { | char *format(Pool& pool, double value, char *fmt) { |
| char *result=(char *)pool.malloc(MAX_NUMBER); | char *result=(char *)pool.malloc(MAX_NUMBER, 4); |
| if(fmt) | if(fmt) |
| if(strpbrk(fmt, "diouxX")) | if(strpbrk(fmt, "diouxX")) |
| if(strpbrk(fmt, "ouxX")) | if(strpbrk(fmt, "ouxX")) |
| Line 236 size_t stdout_write(const void *buf, siz | Line 330 size_t stdout_write(const void *buf, siz |
| #endif | #endif |
| } | } |
| const char *unescape_chars(Pool& pool, const char *cp, int len) { | char *unescape_chars(Pool& pool, const char *cp, int len) { |
| char *s=(char *)pool.malloc(len + 1); | char *s=(char *)pool.malloc(len + 1, 5); |
| enum EscapeState { | enum EscapeState { |
| EscapeRest, | EscapeRest, |
| EscapeFirst, | EscapeFirst, |
| Line 274 const char *unescape_chars(Pool& pool, c | Line 368 const char *unescape_chars(Pool& pool, c |
| return s; | return s; |
| } | } |
| /// used by attributed_meaning_to_string / append_attribute_subattribute | |
| struct Attributed_meaning_info { | struct Attributed_meaning_info { |
| String::Untaint_lang lang; | String *header; // header line being constructed |
| String *header; | String::Untaint_lang lang; // language in which to append to that line |
| }; | }; |
| static void append_attribute_subattribute(const Hash::Key& akey, Hash::Val *avalue, | static void append_attribute_subattribute(const Hash::Key& akey, Hash::Val *avalue, |
| void *info) { | void *info) { |
| Line 286 static void append_attribute_subattribut | Line 381 static void append_attribute_subattribut |
| Attributed_meaning_info& ami=*static_cast<Attributed_meaning_info *>(info); | Attributed_meaning_info& ami=*static_cast<Attributed_meaning_info *>(info); |
| // ...; charset=windows1251 | // ...; charset=windows1251 |
| ami.header->APPEND_CONST("; "); | *ami.header << "; "; |
| ami.header->append(akey, ami.lang, true); | ami.header->append(akey, ami.lang); |
| ami.header->APPEND_CONST("="); | *ami.header << "="; |
| ami.header->append(static_cast<Value *>(avalue)->as_string(), | ami.header->append(static_cast<Value *>(avalue)->as_string(), ami.lang); |
| ami.lang, true); | |
| } | } |
| const String& attributed_meaning_to_string(Value& meaning, String::Untaint_lang lang) { | const String& attributed_meaning_to_string(Value& meaning, |
| String::Untaint_lang lang) { | |
| String &result=*new(meaning.pool()) String(meaning.pool()); | String &result=*new(meaning.pool()) String(meaning.pool()); |
| if(Hash *hash=meaning.get_hash()) { | if(Hash *hash=meaning.get_hash(0)) { |
| // $value(value) $subattribute(subattribute value) | // $value(value) $subattribute(subattribute value) |
| if(Value *value=static_cast<Value *>(hash->get(*value_name))) | if(Value *value=static_cast<Value *>(hash->get(*value_name))) |
| result.append(value->as_string(), lang, true); | result.append(value->as_string(), lang, true); |
| Attributed_meaning_info attributed_meaning_info={ | Attributed_meaning_info attributed_meaning_info={ |
| lang, | &result, |
| &result | lang |
| }; | }; |
| hash->for_each(append_attribute_subattribute, &attributed_meaning_info); | hash->for_each(append_attribute_subattribute, &attributed_meaning_info); |
| } else // result value | } else // result value |
| Line 345 bool StrEqNc(const char *s1, const char | Line 440 bool StrEqNc(const char *s1, const char |
| s2++; | s2++; |
| } | } |
| } | } |
| static int isLeap(int year) { | |
| return !( | |
| (year % 4) || ((year % 400) && !(year % 100)) | |
| ); | |
| } | |
| int getMonthDays(int year, int month) { | |
| int monthDays[]={ | |
| 31, | |
| isLeap(year) ? 29 : 28, | |
| 31, | |
| 30, | |
| 31, | |
| 30, | |
| 31, | |
| 31, | |
| 30, | |
| 31, | |
| 30, | |
| 31 | |
| }; | |
| return monthDays[month]; | |
| } | |
| void remove_crlf(char *start, char *end) { | |
| for(char *p=start; p<end; p++) | |
| switch(*p) { | |
| case '\n': *p='|'; break; | |
| case '\r': *p=' '; break; | |
| } | |
| } |