--- parser3/src/include/pa_common.h	2001/04/25 11:02:52	1.41
+++ parser3/src/include/pa_common.h	2026/10/18 21:05:35	1.203
@@ -1,157 +1,171 @@
 /** @file
 	Parser: commonly used functions.
 
-	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
-
-	$Id: pa_common.h,v 1.41 2001/04/25 11:02:52 paf Exp $
+	Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
+	Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
 */
 
 #ifndef PA_COMMON_H
 #define PA_COMMON_H
 
-#include "pa_config_includes.h"
-#include <stdio.h>
+#define IDENT_PA_COMMON_H "$Id: pa_common.h,v 1.203 2026/10/18 21:05:35 moko Exp $"
 
-#include "pa_pool.h"
 #include "pa_string.h"
+#include "pa_hash.h"
 
-//class String;
-class Value;
+class Request;
 
-#if _MSC_VER
+// defines
+#define HTTP_STATUS		"status"
+#define HTTP_STATUS_CAPITALIZED	"Status"
 
-#ifndef open
-#	define open _open
-#endif
-#ifndef close
-#	define close _close
-#endif
-#ifndef read
-#	define read _read
-#endif
-#ifndef write
-#	define write _write
-#endif
-#ifndef stat
-#	define stat _stat
-#endif
-#ifndef lseek
-#	define lseek _lseek
-#endif
+#define HTTP_CONTENT_LENGTH		"content-length"
 
-#ifndef vsnprintf
-#	define vsnprintf __vsnprintf 
-int __vsnprintf(char *, size_t, const char *, va_list);
-#endif
-#ifndef snprintf
-#	define snprintf __snprintf
-int __snprintf(char *, size_t, const char *, ...);
+#define HTTP_CONTENT_TYPE		"content-type"
+#define HTTP_CONTENT_TYPE_UPPER		"CONTENT-TYPE"
+#define HTTP_CONTENT_TYPE_CAPITALIZED	"Content-Type"
+
+#define CONTENT_DISPOSITION		"content-disposition"
+#define CONTENT_DISPOSITION_UPPER	"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 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"
+
+extern const String content_disposition_filename_name;
+
+#define HASH_ORDER
+
+#ifdef HASH_ORDER
+#undef PA_HASH_CLASS
+#include "pa_hash.h"
 #endif
 
-//access
-#define F_OK 0
-#define X_OK 1
-#define W_OK 2
-#define R_OK 4
+class Value;
+typedef HASH_STRING<Value*> HashStringValue;
+
+/// use instead of system *snprintf: zero-terminated, returns the real length (<= size-1)
+int pa_vsnprintf(char *, size_t, const char* , va_list);
+int pa_snprintf(char *, size_t, const char* , ...);
+
+#ifdef _MSC_VER
 
 #ifndef strcasecmp
 #	define strcasecmp _stricmp
 #endif
+
 #ifndef strncasecmp
 #	define strncasecmp _strnicmp
 #endif
-#ifndef mkdir
-#	define mkdir(path, mode) _mkdir(path)
-#endif
-
-#ifndef putenv
-#	define putenv _putenv
-#endif
 
 #endif
 
 /**
-	read specified text file using pool, 
-	if fail_on_read_problem is true[default] throws an exception
+	String related functions
 */
-char *file_read_text(Pool& pool, 
-					 const String& file_spec, 
-					 bool fail_on_read_problem=true);
 
-/**
-	read specified file using pool, 
-	if fail_on_read_problem is true[default] throws an exception
-*/
-bool file_read(Pool& pool, const String& file_spec, 
-			   void*& data, size_t& size, 
-			   bool as_text,
-			   bool fail_on_read_problem=true,
-			   size_t offset=0, size_t limit=0);
+// 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 */);
 
-/**
-	write data to specified file using pool, 
-	throws an exception in case of problems
-*/
-void file_write(Pool& pool, 
-				const String& file_spec,
-				const void *data, size_t size, 
-				bool as_text/*,
-				bool exclusive=false*/);
+char *getrow(char **row_ref,char delim='\n');
 
-/**
-	delete specified file 
-	throws an exception in case of problems
-*/
-void file_delete(Pool& pool, const String& file_spec);
+// Return the last occurrence of any character in chars or NULL if absent
+const char *strrpbrk(const char *string, const char *chars);
+inline char *strrpbrk(char *string, const char *chars) {
+	return (char*)strrpbrk((const char*)string, chars);
+}
+
+// Split at the first occurrence of delimiter; return the suffix or NULL if absent
+char *lsplit(char *string, char delim);
+// Return the prefix; advance *string_ref to the suffix or set it to NULL if delimiter is absent
+char *lsplit(char **string_ref, char delim);
 
-bool file_readable(const String& file_spec);
-bool dir_readable(const String& file_spec);
-bool file_executable(const String& file_spec);
+// Split at the last occurrence of delimiter(s); return the suffix or NULL if absent
+char *rsplit(char *string, char delim);
+char *rsplit(char *string, const char *delims);
 
-size_t file_size(const String& file_spec);
+char* unescape_chars(const char* cp, int len, Charset* client_charset=0, bool js=false/*true==decode \uXXXX and don't convert '+' to space*/);
 
-/**
-	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 *lsplit(char *string, char delim);
-char *lsplit(char **string_ref,char delim);
-char *rsplit(char *string, char delim);
-char *format(Pool& pool, double value, char *fmt);
+char *search_stop(char*& current, char cstop_at);
 
-#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; }
-#endif
+inline int pa_strncasecmp(const char* str, const char* substr, size_t count=0) {
+	return strncasecmp(str, substr, count ? count : strlen(substr));
+}
+
+// copy of the path with '/' only
+char* backslashes_to_slashes(const char* path);
+// same, keeping the original languages
+const String& backslashes_to_slashes(const String& path);
+
+size_t strpos(const char *str, const char *substr);
+
+size_t 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)); }
 
-size_t stdout_write(const void *buf, size_t size);
+void pa_strncpy(char *dst, const char *src, size_t dst_size);
+char *pa_strcat(const char *a, const char *b, const char *c = 0);
 
-const char *unescape_chars(Pool& pool, const char *cp, int len);
+const char* capitalize(const char* s);
+char *str_lower(const char *s, size_t length);
+char *str_upper(const char *s, size_t length);
+inline char *str_lower(const char *s) { return str_lower(s, strlen(s)); }
+inline char *str_upper(const char *s) { return str_upper(s, strlen(s)); }
+
+const char* hex_string(unsigned char* bytes, size_t size, bool upcase);
+extern const char* hex_digits;
+
+const char *pa_idna_encode(const char *in, Charset &source);
+const char *pa_idna_decode(const char *in, Charset &source);
+
+unsigned long pa_crc32(const char *in, size_t in_size);
+unsigned long pa_crc32(const String& file_spec);
 
 /**
-	$content-type[text/html] -> 
-		content-type: text/html
-	$content-type[$value[text/html] charset[windows-1251]] -> 
-		content-type: text/html; charset=windows-1251
+	Mix functions
 */
-const String& attributed_meaning_to_string(Value& meaning, String::Untaint_lang lang);
 
-#ifdef WIN32
-void back_slashes_to_slashes(char *s);
-//void slashes_to_back_slashes(char *s);
-#endif
+#define PA_DEFAULT(A,B) ((A) ? (A):(B) )
 
-#ifndef _qsort
-#	define _qsort(names,cnt,sizeof_names,func_addr) \
-		qsort(names,cnt,sizeof_names,func_addr)
-#endif
+Charset* detect_charset(const char* content_type);
+
+// globals
+
+extern const String file_status_name;
 
-bool StrEqNc(const char *s1, const char *s2, bool strict=true);
-char *unquote(char*& current, char stop_at);
+// global defines for file options which are handled but not checked elsewhere, we check them
+
+#define PA_COLUMN_SEPARATOR_NAME "separator"
+#define PA_COLUMN_ENCLOSER_NAME "encloser"
+#define PA_CHARSET_NAME "charset"
+#define PA_RESPONSE_CHARSET_NAME "response-charset"
+
+// globals defines for sql options
+
+#define SQL_BIND_NAME "bind"
+#define PA_SQL_LIMIT_NAME "limit"
+#define PA_SQL_OFFSET_NAME "offset"
+#define SQL_DEFAULT_NAME "default"
+#define SQL_DISTINCT_NAME "distinct"
+#define SQL_VALUE_TYPE_NAME "type"
+
+extern String sql_bind_name;
+extern String sql_limit_name;
+extern String sql_offset_name;
+extern String sql_default_name;
+extern String sql_distinct_name;
+extern String sql_value_type_name;
+
+#ifndef DOXYGEN
+enum Table2hash_distint { D_ILLEGAL, D_FIRST };
+enum Table2hash_value_type { C_HASH, C_STRING, C_TABLE, C_CODE };
+#endif
 
 #endif