--- parser3/src/include/pa_common.h	2001/03/19 20:07:36	1.17
+++ parser3/src/include/pa_common.h	2026/09/30 16:44:19	1.201
@@ -1,114 +1,175 @@
 /** @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 1.17 2001/03/19 20:07:36 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
 
-#ifdef HAVE_CONFIG_H
-#	include "pa_config.h"
-#endif
+#define IDENT_PA_COMMON_H "$Id: pa_common.h,v 1.201 2026/09/30 16:44:19 moko Exp $"
 
-#ifdef WIN32
-#	include <sys/locking.h>
-#endif
+#include "pa_string.h"
+#include "pa_hash.h"
 
-#include <stdio.h>
-#include <stdarg.h>
-#include "pa_pool.h"
+class Request;
 
-class String;
-class Value;
+// defines
+#define HTTP_STATUS		"status"
+#define HTTP_STATUS_CAPITALIZED	"Status"
 
-#ifdef WIN32
+#define HTTP_CONTENT_LENGTH		"content-length"
 
-#define open _open
-#define close _close
-#define read _read
-#define stat _stat
+#define HTTP_CONTENT_TYPE		"content-type"
+#define HTTP_CONTENT_TYPE_UPPER		"CONTENT-TYPE"
+#define HTTP_CONTENT_TYPE_CAPITALIZED	"Content-Type"
 
-#define vsnprintf __vsnprintf 
-#define snprintf __snprintf
+#define CONTENT_DISPOSITION		"content-disposition"
+#define CONTENT_DISPOSITION_UPPER	"CONTENT-DISPOSITION"
+#define CONTENT_DISPOSITION_CAPITALIZED	"Content-Disposition"
 
-int __vsnprintf(char *, size_t, const char *, va_list);
-int __snprintf(char *, size_t, const char *, ...);
+#define CONTENT_DISPOSITION_ATTACHMENT	"attachment"
+#define CONTENT_DISPOSITION_INLINE	"inline"
+#define CONTENT_DISPOSITION_FILENAME_NAME "filename"
 
-//flock
-#define LOCK_EX _LK_NBLCK
-#define LOCK_UN _LK_UNLCK
-void flock(int fd, int operation);
+#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"
 
-//access
-#define F_OK 0
-#define X_OK 1
-#define W_OK 2
-#define R_OK 4
+extern const String 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;
 
-#define strcasecmp _stricmp
-#define strncasecmp _strnicmp
-#define mkdir(path, mode) _mkdir(path)
+// replace system s*nprintf with our versions
+#undef vsnprintf
+int pa_vsnprintf(char *, size_t, const char* , va_list);
+#define vsnprintf pa_vsnprintf 
+#undef snprintf
+int pa_snprintf(char *, size_t, const char* , ...);
+#define snprintf pa_snprintf
 
-#define putenv _putenv
+#ifdef _MSC_VER
 
+#ifndef strcasecmp
+#	define strcasecmp _stricmp
 #endif
 
-/// @todo define it
-#ifdef SUN
-//flock
-#define LOCK_EX F_LOCK
-#define LOCK_UN F_ULOCK
-void flock(int fd, int operation);
+#ifndef strncasecmp
+#	define strncasecmp _strnicmp
 #endif
 
-/// @todo use somewhere
-void lock(FILE *f, long position);
-/// @todo use somewhere
-void unlock(FILE *f);
+#endif
 
 /**
-	read specified file using pool, 
-	if fail_on_read_problem is true[default] throws an exception
+	String related functions
 */
-char *file_read(Pool& pool, 
-				const char *fname, 
-				bool fail_on_read_problem=true);
 
-/**
-	write data to specified file using pool, 
-	throws an exception in case of problems
-*/
-void file_write(Pool& pool, 
-				const char *fname,
-				const char *data, size_t size, 
-				bool exclusive=false);
+// 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 */);
 
-/**
-	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 *,char);
-char *lsplit(char **string_ref,char delim);
+
+// 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);
+
+// Split at the last occurrence of delimiter(s); return the suffix or NULL if absent
 char *rsplit(char *string, char delim);
-char *format(Pool& pool, double value, char *fmt);
+char *rsplit(char *string, const char *delims);
 
-#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
+char* unescape_chars(const char* cp, int len, Charset* client_charset=0, bool js=false/*true==decode \uXXXX and don't convert '+' to space*/);
+
+char *search_stop(char*& current, char cstop_at);
+
+inline int pa_strncasecmp(const char* str, const char* substr, size_t count=0) {
+	return strncasecmp(str, substr, count ? count : strlen(substr));
+}
 
-size_t stdout_write(const char *buf, size_t size);
+// copy of the path with '/' only
+char* backslashes_to_slashes(const char* path);
+// same, keeping the string languages
+const String& backslashes_to_slashes(const String& path);
 
-const char *unescape_chars(Pool& pool, const char *cp, int len);
+size_t strpos(const char *str, const char *substr);
 
-const String& attributed_meaning_string(Value *meaning);
+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)); }
+
+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* 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);
+
+/**
+	Mix functions
+*/
+
+#define PA_DEFAULT(A,B) ((A) ? (A):(B) )
+
+Charset* detect_charset(const char* content_type);
+
+// globals
+
+extern const String file_status_name;
+
+// 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