--- parser3/src/main/pa_common.C 2001/04/25 11:02:57 1.51 +++ parser3/src/main/pa_common.C 2001/09/13 08:31:20 1.63.4.1 @@ -4,11 +4,9 @@ Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com) Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: pa_common.C,v 1.51 2001/04/25 11:02:57 paf Exp $ */ +static const char *RCSId="$Id: pa_common.C,v 1.63.4.1 2001/09/13 08:31:20 parser Exp $"; -#include "pa_config_includes.h" #include "pa_common.h" #include "pa_types.h" #include "pa_exception.h" @@ -56,6 +54,7 @@ bool file_read(Pool& pool, const String& bool fail_on_read_problem, size_t offset, size_t limit) { const char *fname=file_spec.cstr(String::UL_FILE_NAME); +//printf("file_read(%s)\n", fname); int f; struct stat finfo; @@ -76,15 +75,17 @@ bool file_read(Pool& pool, const String& if(!max_size) { // eof data=0; read_size=0; - return true; + } else { + data=pool.malloc(max_size+(as_text?1:0)); + if(offset) + lseek(f, offset, SEEK_SET); + read_size=read(f, data, max_size); } - data=pool.malloc(max_size+(as_text?1:0)); - if(offset) - lseek(f, offset, SEEK_SET); - read_size=read(f, data, max_size); /*if(exclusive) flock(f, LOCK_UN);*/ close(f); + if(!max_size) // eof + return true; if(read_size>=0 && read_size<=max_size) { if(as_text) @@ -100,10 +101,20 @@ bool file_read(Pool& pool, const String& if(fail_on_read_problem) PTHROW(0, 0, &file_spec, - "read failed: %s (%d)", strerror(errno), errno); + "read failed: %s (%d), actual filename '%s'", + strerror(errno), errno, fname); return false; } +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_NAME), 0775); + pos_after=pos_before+1; + } +} + void file_write(Pool& pool, const String& file_spec, const void *data, size_t size, @@ -112,12 +123,7 @@ void file_write(Pool& pool, const char *fname=file_spec.cstr(String::UL_FILE_NAME); int f; if(access(fname, W_OK)!=0) {/*no*/ - 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_NAME), 0775); - pos_after=pos_before+1; - } + create_dir_for_file(file_spec); if((f=open(fname, O_WRONLY|O_CREAT|_O_BINARY, 0666))>0) close(f); @@ -144,9 +150,11 @@ void file_write(Pool& pool, } PTHROW(0, 0, &file_spec, - "write failed: %s (%d)", strerror(errno), errno); + "write failed: %s (%d), actual filename '%s'", + strerror(errno), errno, fname); } +// 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) @@ -155,13 +163,29 @@ static void rmdir(const String& file_spe rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::UL_FILE_NAME)); } 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_NAME); + if(unlink(fname)!=0) PTHROW(0, 0, &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_NAME); + const char *new_spec_cstr=new_spec.cstr(String::UL_FILE_NAME); + + create_dir_for_file(new_spec); + + if(rename(old_spec_cstr, new_spec_cstr)!=0) + PTHROW(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) { @@ -179,19 +203,33 @@ bool file_readable(const String& file_sp 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) { return access(file_spec.cstr(String::UL_FILE_NAME), X_OK)==0; } -size_t file_size(const String& file_spec) { +void file_stat(const String& file_spec, + size_t& rsize, + time_t& ratime, + time_t& rmtime, + time_t& rctime) { Pool& pool=file_spec.pool(); const char *fname=file_spec.cstr(String::UL_FILE_NAME); struct stat finfo; if(stat(fname, &finfo)!=0) PTHROW(0, 0, &file_spec, - "write failed: %s (%d)", strerror(errno), errno); - return finfo.st_size; + "getting file size failed: %s (%d), real filename '%s'", + strerror(errno), errno, fname); + rsize=finfo.st_size; + ratime=finfo.st_atime; + rmtime=finfo.st_mtime; + rctime=finfo.st_ctime; } char *getrow(char **row_ref, char delim) { @@ -306,9 +344,10 @@ const char *unescape_chars(Pool& pool, c return s; } +/// used by attributed_meaning_to_string / append_attribute_subattribute struct Attributed_meaning_info { - String::Untaint_lang lang; - String *header; + String *header; // header line being constructed + String::Untaint_lang lang; // language in which to append to that line }; static void append_attribute_subattribute(const Hash::Key& akey, Hash::Val *avalue, void *info) { @@ -332,8 +371,8 @@ const String& attributed_meaning_to_stri result.append(value->as_string(), lang, true); Attributed_meaning_info attributed_meaning_info={ - lang, - &result + &result, + lang }; hash->for_each(append_attribute_subattribute, &attributed_meaning_info); } else // result value @@ -414,3 +453,27 @@ break2: *dest=0; return result; } + +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]; +}