--- parser3/src/include/pa_common.h	2001/03/10 15:44:30	1.3
+++ parser3/src/include/pa_common.h	2026/09/30 16:44:19	1.201
@@ -1,21 +1,175 @@
-/*
-  $Id: pa_common.h,v 1.3 2001/03/10 15:44:30 paf Exp $
+/** @file
+	Parser: commonly used functions.
+
+	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 <stdarg.h>
-#include "pa_pool.h"
+#define IDENT_PA_COMMON_H "$Id: pa_common.h,v 1.201 2026/09/30 16:44:19 moko Exp $"
+
+#include "pa_string.h"
+#include "pa_hash.h"
+
+class Request;
+
+// defines
+#define HTTP_STATUS		"status"
+#define HTTP_STATUS_CAPITALIZED	"Status"
+
+#define HTTP_CONTENT_LENGTH		"content-length"
+
+#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"
 
-#ifdef WIN32
-#define vsnprintf __vsnprintf 
-#define snprintf __snprintf
+#define CONTENT_DISPOSITION_ATTACHMENT	"attachment"
+#define CONTENT_DISPOSITION_INLINE	"inline"
+#define CONTENT_DISPOSITION_FILENAME_NAME "filename"
 
-int __vsnprintf(char *, size_t, const char *, va_list);
-int __snprintf(char *, size_t, const char *, ...);
+#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
 
-char *file_read(Pool& pool, char *fname, bool fail_on_read_problem);
+class Value;
+typedef HASH_STRING<Value*> HashStringValue;
+
+// 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
+
+#ifdef _MSC_VER
+
+#ifndef strcasecmp
+#	define strcasecmp _stricmp
+#endif
+
+#ifndef strncasecmp
+#	define strncasecmp _strnicmp
+#endif
+
+#endif
+
+/**
+	String related functions
+*/
+
+// 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 */);
+
+char *getrow(char **row_ref,char delim='\n');
+
+// 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 *rsplit(char *string, const char *delims);
+
+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));
+}
+
+// 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);
+
+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)); }
+
+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