Adding upstream version 2.9.0dev.12.upstream/2.9.0dev.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 212 insertions, 0 deletions

diff --git a/WWW/Library/Implementation/HTParse.h b/WWW/Library/Implementation/HTParse.h
new file mode 100644
index 0000000..49b40b3
--- /dev/null
+++ b/WWW/Library/Implementation/HTParse.h
@@ -0,0 +1,212 @@
+/*
+ * $LynxId: HTParse.h,v 1.26 2021/07/05 20:56:50 tom Exp $
+ *				HTParse:  URL parsing in the WWW Library
+ *				HTPARSE
+ *
+ *  This module of the WWW library contains code to parse URLs and various
+ *  related things.
+ *  Implemented by HTParse.c .
+ */
+#ifndef HTPARSE_H
+#define HTPARSE_H
+
+#ifndef HTUTILS_H
+#include <HTUtils.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RFC_3986_UNRESERVED(c) (isalnum(UCH(c)) || strchr("-._~", UCH(c)) != 0)
+#define RFC_3986_GEN_DELIMS(c) ((c) != 0 && strchr(":/?#[]@", UCH(c)) != 0)
+#define RFC_3986_SUB_DELIMS(c) ((c) != 0 && strchr("!$&'()*+,;=", UCH(c)) != 0)
+
+/*
+ *  The following are flag bits which may be ORed together to form
+ *  a number to give the 'wanted' argument to HTParse.
+ */
+#define PARSE_ACCESS            16
+#define PARSE_HOST               8
+#define PARSE_PATH               4
+#define PARSE_ANCHOR             2
+#define PARSE_PUNCTUATION        1
+#define PARSE_ALL               31
+#define PARSE_ALL_WITHOUT_ANCHOR  (PARSE_ALL ^ PARSE_ANCHOR)
+/*
+ *  Additional flag bits for more details on components already
+ *  covered by the above.  The PARSE_PATH above doesn't really
+ *  strictly refer to the path component in the sense of the URI
+ *  specs only, but rather to that combined with a possible query
+ *  component. - kw
+ */
+#define PARSE_STRICTPATH        32
+#define PARSE_QUERY             64
+/*
+ *  The following are valid mask values.  The terms are the BNF names
+ *  in the URL document.
+ */
+#define URL_XALPHAS     UCH(1)
+#define URL_XPALPHAS    UCH(2)
+#define URL_PATH        UCH(4)
+
+#ifdef USE_IDN2
+    typedef enum {
+	LYidna2003 = 1,
+	LYidna2008,
+	LYidnaTR46,
+	LYidnaCompat
+    } HTIdnaModes;
+
+    extern int LYidnaMode;
+#endif
+
+/*	Strip white space off a string.				HTStrip()
+ *	-------------------------------
+ *
+ * On exit,
+ *	Return value points to first non-white character, or to 0 if none.
+ *	All trailing white space is OVERWRITTEN with zero.
+ */
+    extern char *HTStrip(char *s);
+
+/*
+ *	Parse a port number
+ *	-------------------
+ *
+ * On entry,
+ *	host            A pointer to hostname possibly followed by port
+ *
+ * On exit,
+ *	returns         A pointer to the ":" before the port
+ *	sets            the port number via the pointer portp.
+ */
+    extern char *HTParsePort(char *host, int *portp);
+
+/*	Parse a Name relative to another name.			HTParse()
+ *	--------------------------------------
+ *
+ *	This returns those parts of a name which are given (and requested)
+ *	substituting bits from the related name where necessary.
+ *
+ * On entry,
+ *	aName		A filename given
+ *      relatedName     A name relative to which aName is to be parsed
+ *      wanted          A mask for the bits which are wanted.
+ *
+ * On exit,
+ *	returns		A pointer to a malloc'd string which MUST BE FREED
+ */
+    extern char *HTParse(const char *aName,
+			 const char *relatedName,
+			 int wanted);
+
+/*	HTParseAnchor(), fast HTParse() specialization
+ *	----------------------------------------------
+ *
+ * On exit,
+ *	returns		A pointer within input string (probably to its end '\0')
+ */
+    extern const char *HTParseAnchor(const char *aName);
+
+/*	Simplify a filename.				HTSimplify()
+ *	--------------------
+ *
+ *  A unix-style file is allowed to contain the sequence xxx/../ which may
+ *  be replaced by "" , and the sequence "/./" which may be replaced by "/".
+ *  Simplification helps us recognize duplicate filenames.
+ */
+    extern void HTSimplify(char *filename, BOOL absolute);
+
+/*	Make Relative Name.					HTRelative()
+ *	-------------------
+ *
+ * This function creates and returns a string which gives an expression of
+ * one address as related to another.  Where there is no relation, an absolute
+ * address is returned.
+ *
+ *  On entry,
+ *	Both names must be absolute, fully qualified names of nodes
+ *	(no anchor bits)
+ *
+ *  On exit,
+ *	The return result points to a newly allocated name which, if
+ *	parsed by HTParse relative to relatedName, will yield aName.
+ *	The caller is responsible for freeing the resulting name later.
+ *
+ */
+    extern char *HTRelative(const char *aName,
+			    const char *relatedName);
+
+/*		Escape undesirable characters using %		HTEscape()
+ *		-------------------------------------
+ *
+ *	This function takes a pointer to a string in which
+ *	some characters may be unacceptable are unescaped.
+ *	It returns a string which has these characters
+ *	represented by a '%' character followed by two hex digits.
+ *
+ *	Unlike HTUnEscape(), this routine returns a malloc'd string.
+ */
+    extern char *HTEscape(const char *str,
+			  unsigned mask);
+
+/*		Escape unsafe characters using %		HTEscapeUnsafe()
+ *		--------------------------------
+ *
+ *	This function takes a pointer to a string in which
+ *	some characters may be that may be unsafe are unescaped.
+ *	It returns a string which has these characters
+ *	represented by a '%' character followed by two hex digits.
+ *
+ *	Unlike HTUnEscape(), this routine returns a malloc'd string.
+ */
+    extern char *HTEscapeUnsafe(const char *str);
+
+/*	Escape undesirable characters using % but space to +.	HTEscapeSP()
+ *	-----------------------------------------------------
+ *
+ *	This function takes a pointer to a string in which
+ *	some characters may be unacceptable are unescaped.
+ *	It returns a string which has these characters
+ *	represented by a '%' character followed by two hex digits,
+ *	except that spaces are converted to '+' instead of %2B.
+ *
+ *	Unlike HTUnEscape(), this routine returns a malloc'd string.
+ */
+    extern char *HTEscapeSP(const char *str,
+			    unsigned mask);
+
+/*	Decode %xx escaped characters.				HTUnEscape()
+ *	------------------------------
+ *
+ *	This function takes a pointer to a string in which some
+ *	characters may have been encoded in %xy form, where xy is
+ *	the acsii hex code for character 16x+y.
+ *	The string is converted in place, as it will never grow.
+ */
+    extern char *HTUnEscape(char *str);
+
+/*	Decode some %xx escaped characters.		      HTUnEscapeSome()
+ *	-----------------------------------			Klaus Weide
+ *							    (kweide@tezcat.com)
+ *	This function takes a pointer to a string in which some
+ *	characters may have been encoded in %xy form, where xy is
+ *	the acsii hex code for character 16x+y, and a pointer to
+ *	a second string containing one or more characters which
+ *	should be unescaped if escaped in the first string.
+ *	The first string is converted in place, as it will never grow.
+ */
+    extern char *HTUnEscapeSome(char *str,
+				const char *do_trans);
+
+/*
+ *  Turn a string which is not a RFC 822 token into a quoted-string. - KW
+ */
+    extern void HTMake822Word(char **str,
+			      int quoted);
+
+#ifdef __cplusplus
+}
+#endif
+#endif				/* HTPARSE_H */