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, 412 insertions, 0 deletions

diff --git a/WWW/Library/Implementation/HTAnchor.h b/WWW/Library/Implementation/HTAnchor.h
new file mode 100644
index 0000000..3b1e6e6
--- /dev/null
+++ b/WWW/Library/Implementation/HTAnchor.h
@@ -0,0 +1,412 @@
+/*
+ * $LynxId: HTAnchor.h,v 1.40 2018/03/11 18:43:50 tom Exp $
+ *
+ *	Hypertext "Anchor" Object				     HTAnchor.h
+ *	==========================
+ *
+ *	An anchor represents a region of a hypertext document which is linked
+ *	to another anchor in the same or a different document.
+ */
+
+#ifndef HTANCHOR_H
+#define HTANCHOR_H
+
+/* Version 0 (TBL) written in Objective-C for the NeXT browser */
+/* Version 1 of 24-Oct-1991 (JFG), written in C, browser-independent */
+
+#include <HTList.h>
+#include <HTBTree.h>
+#include <HTChunk.h>
+#include <HTAtom.h>
+#include <UCDefs.h>
+
+typedef struct _HyperDoc HyperDoc;	/* Ready for forward references */
+typedef struct _HTAnchor HTAnchor;
+typedef struct _HTParentAnchor HTParentAnchor;
+typedef struct _HTParentAnchor0 HTParentAnchor0;
+
+#include <HTFormat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    struct _HTAnchor {
+	/* Generic anchor */
+	HTParentAnchor0 *parent;	/* Parent of this anchor (self for adults) */
+    };
+
+#define HASH_TYPE unsigned short
+
+    struct _HTParentAnchor0 {	/* One for adult_table,
+				 * generally not used outside HTAnchor.c */
+	/* Common part from the generic anchor structure */
+	HTParentAnchor0 *parent;	/* (self) */
+
+	/* ParentAnchor0-specific information */
+	char *address;		/* Absolute address of this node */
+	HTParentAnchor *info;	/* additional info, allocated on demand */
+
+	HTBTree *children;	/* Subanchors <a name="tag">, sorted by tag */
+	HTList sources;		/* List of anchors pointing to this, if any */
+
+	HTList _add_adult;	/* - just a memory for list entry:) */
+	HASH_TYPE adult_hash;	/* adult list number */
+	BOOL underway;		/* Document about to be attached to it */
+    };
+
+    /*
+     *  Separated from the above to save memory:  allocated on demand,
+     *  it is nearly 1:1 to HText (well, sometimes without HText...),
+     *  available for SGML, HTML, and HText stages.
+     *  [being precise, we currently allocate it before HTLoadDocument(),
+     *  in HTAnchor_findAddress() and HTAnchor_parent()].
+     */
+    struct _HTParentAnchor {
+	/* Common part from the generic anchor structure */
+	HTParentAnchor0 *parent;	/* Parent of this anchor */
+
+	/* ParentAnchor-specific information */
+	HTList children_notag;	/* Subanchors <a href=...>, tag is NULL */
+	HyperDoc *document;	/* The document within which this is an anchor */
+
+	char *address;		/* parent->address, a pointer */
+	bstring *post_data;	/* Posting data */
+	char *post_content_type;	/* Type of post data */
+	char *bookmark;		/* Bookmark filename */
+	HTFormat format;	/* Pointer to node format descriptor */
+	char *charset;		/* Pointer to character set (kludge, for now */
+	BOOL isIndex;		/* Acceptance of a keyword search */
+	char *isIndexAction;	/* URL of isIndex server */
+	char *isIndexPrompt;	/* Prompt for isIndex query */
+	char *title;		/* Title of document */
+	char *owner;		/* Owner of document */
+	char *RevTitle;		/* TITLE in REV="made" or REV="owner" LINK */
+	char *citehost;		/* Citehost from REL="citehost" LINK */
+#ifdef USE_COLOR_STYLE
+	char *style;
+#endif
+
+	HTList *methods;	/* Methods available as HTAtoms */
+	void *protocol;		/* Protocol object */
+	char *physical;		/* Physical address */
+	BOOL isISMAPScript;	/* Script for clickable image map */
+	BOOL isHEAD;		/* Document is headers from a HEAD request */
+	BOOL safe;		/* Safe */
+#ifdef USE_SOURCE_CACHE
+	char *source_cache_file;
+	HTChunk *source_cache_chunk;
+#endif
+	char *FileCache;	/* Path to a disk-cached copy (see src/HTFWriter.c) */
+	char *SugFname;		/* Suggested filename */
+	char *cache_control;	/* Cache-Control */
+	BOOL no_cache;		/* Cache-Control, Pragma or META "no-cache"? */
+	BOOL inHEAD;		/* HTMIMEConvert is decoding server-headers */
+	BOOL inBASE;		/* duplicated from HTStructured (HTML.c/h) */
+	HTChunk http_headers;
+	BOOL no_content_encoding;	/* server did not use C-T? */
+	char *content_type_params;	/* Content-Type (with parameters if any) */
+	char *content_type;	/* Content-Type */
+	char *content_language;	/* Content-Language */
+	char *content_encoding;	/* Compression algorithm */
+	char *content_base;	/* Content-Base */
+	char *content_disposition;	/* Content-Disposition */
+	char *content_location;	/* Content-Location */
+	char *content_md5;	/* Content-MD5 */
+	char *message_id;	/* Message-ID */
+	char *subject;		/* Subject */
+	off_t header_length;	/* length of headers */
+	off_t content_length;	/* Content-Length */
+	off_t actual_length;	/* actual length may differ */
+	char *date;		/* Date */
+	char *expires;		/* Expires */
+	char *last_modified;	/* Last-Modified */
+	char *ETag;		/* ETag (HTTP1.1 cache validator) */
+	char *server;		/* Server */
+	UCAnchorInfo *UCStages;	/* chartrans stages */
+	HTList *imaps;		/* client side image maps */
+    };
+
+    typedef HTAtom HTLinkType;
+
+    typedef struct {
+	/* Common part from the generic anchor structure */
+	HTParentAnchor0 *parent;	/* Parent of this anchor */
+
+	/* ChildAnchor-specific information */
+	char *tag;		/* #fragment,  relative to the parent */
+
+	HTAnchor *dest;		/* The anchor to which this leads */
+	HTLinkType *type;	/* Semantics of this link */
+
+	HTList _add_children_notag;	/* - just a memory for list entry:) */
+	HTList _add_sources;	/* - just a memory for list entry:) */
+    } HTChildAnchor;
+
+    /*
+     *  DocAddress structure is used for loading an absolute anchor with all
+     *  needed information including posting data and post content type.
+     */
+    typedef struct _DocAddress {
+	char *address;
+	bstring *post_data;
+	char *post_content_type;
+	char *bookmark;
+	BOOL isHEAD;
+	BOOL safe;
+    } DocAddress;
+
+    /* "internal" means "within the same document, with certainty". */
+    extern HTLinkType *HTInternalLink;
+
+    /* Create or find a child anchor with a possible link
+     * --------------------------------------------------
+     *
+     * Create new anchor with a given parent and possibly
+     * a name, and possibly a link to a _relatively_ named anchor.
+     * (Code originally in ParseHTML.h)
+     */
+    extern HTChildAnchor *HTAnchor_findChildAndLink(HTParentAnchor *parent,	/* May not be 0 */
+						    const char *tag,	/* May be "" or 0 */
+						    const char *href,	/* May be "" or 0 */
+						    HTLinkType *ltype);		/* May be 0 */
+
+    /* Create new or find old parent anchor
+     * ------------------------------------
+     *
+     * This one is for a reference which is found in a document, and might
+     * not be already loaded.
+     * Note: You are not guaranteed a new anchor -- you might get an old one,
+     * like with fonts.
+     */
+    extern HTParentAnchor *HTAnchor_findAddress(const DocAddress *address);
+
+    /* Create new or find old named anchor - simple form
+     * -------------------------------------------------
+     *
+     * Like the previous one, but simpler to use for simple cases.
+     * No post data etc.  can be supplied.  - kw
+     */
+    extern HTParentAnchor *HTAnchor_findSimpleAddress(const char *url);
+
+    /* Delete an anchor and possibly related things (auto garbage collection)
+     * --------------------------------------------
+     *
+     * The anchor is only deleted if the corresponding document is not loaded.
+     * All outgoing links from children are deleted, and children are
+     * removed from the sources lists of their targets.
+     * We also try to delete the targets whose documents are not loaded.
+     * If this anchor's sources list is empty, we delete it and its children.
+     */
+    extern BOOL HTAnchor_delete(HTParentAnchor0 *me);
+
+    /*
+     * Unnamed children (children_notag) have no sense without HText -
+     * delete them and their links if we are about to free HText.
+     * Document currently exists.  Called within HText_free().
+     */
+    extern void HTAnchor_delete_links(HTParentAnchor *me);
+
+#ifdef USE_SOURCE_CACHE
+    extern void HTAnchor_clearSourceCache(HTParentAnchor *me);
+#endif
+
+    /* Data access functions
+     * ---------------------
+     */
+    extern HTParentAnchor *HTAnchor_parent(HTAnchor * me);
+
+    extern void HTAnchor_setDocument(HTParentAnchor *me,
+				     HyperDoc *doc);
+
+    extern HyperDoc *HTAnchor_document(HTParentAnchor *me);
+
+    /* Returns the full URI of the anchor, child or parent
+     * as a malloc'd string to be freed by the caller.
+     */
+    extern char *HTAnchor_address(HTAnchor * me);
+
+    extern char *HTAnchor_short_address(HTAnchor * me);
+
+    extern void HTAnchor_setFormat(HTParentAnchor *me,
+				   HTFormat form);
+
+    extern HTFormat HTAnchor_format(HTParentAnchor *me);
+
+    extern void HTAnchor_setIndex(HTParentAnchor *me,
+				  const char *address);
+
+    extern void HTAnchor_setPrompt(HTParentAnchor *me,
+				   const char *prompt);
+
+    extern BOOL HTAnchor_isIndex(HTParentAnchor *me);
+
+    extern BOOL HTAnchor_isISMAPScript(HTAnchor * me);
+
+#if defined(USE_COLOR_STYLE)
+    extern const char *HTAnchor_style(HTParentAnchor *me);
+
+    extern void HTAnchor_setStyle(HTParentAnchor *me,
+				  const char *style);
+#endif
+
+    /* Title handling.
+     */
+    extern const char *HTAnchor_title(HTParentAnchor *me);
+
+    extern void HTAnchor_setTitle(HTParentAnchor *me,
+				  const char *title);
+
+    extern void HTAnchor_appendTitle(HTParentAnchor *me,
+				     const char *title);
+
+    /* Bookmark handling.
+     */
+    extern const char *HTAnchor_bookmark(HTParentAnchor *me);
+
+    extern void HTAnchor_setBookmark(HTParentAnchor *me,
+				     const char *bookmark);
+
+    /* Owner handling.
+     */
+    extern const char *HTAnchor_owner(HTParentAnchor *me);
+
+    extern void HTAnchor_setOwner(HTParentAnchor *me,
+				  const char *owner);
+
+    /* TITLE handling in LINKs with REV="made" or REV="owner".  - FM
+     */
+    extern const char *HTAnchor_RevTitle(HTParentAnchor *me);
+
+    extern void HTAnchor_setRevTitle(HTParentAnchor *me,
+				     const char *title);
+
+    /* Citehost for bibp links from LINKs with REL="citehost".  - RDC
+     */
+    extern const char *HTAnchor_citehost(HTParentAnchor *me);
+
+    extern void HTAnchor_setCitehost(HTParentAnchor *me,
+				     const char *citehost);
+
+    /* Suggested filename handling.  - FM
+     * (will be loaded if we had a Content-Disposition
+     * header or META element with filename=name.suffix)
+     */
+    extern const char *HTAnchor_SugFname(HTParentAnchor *me);
+
+    /* HTTP Headers.
+     */
+    extern const char *HTAnchor_http_headers(HTParentAnchor *me);
+
+    /* Content-Type handling (parameter list).
+     */
+    extern const char *HTAnchor_content_type_params(HTParentAnchor *me);
+
+    /* Content-Type handling.  - FM
+     */
+    extern const char *HTAnchor_content_type(HTParentAnchor *me);
+
+    /* Content-Encoding handling.  - FM
+     * (will be loaded if we had a Content-Encoding
+     * header.)
+     */
+    extern const char *HTAnchor_content_encoding(HTParentAnchor *me);
+
+    /* Last-Modified header handling.  - FM
+     */
+    extern const char *HTAnchor_last_modified(HTParentAnchor *me);
+
+    /* Date header handling.  - FM
+     */
+    extern const char *HTAnchor_date(HTParentAnchor *me);
+
+    /* Server header handling.  - FM
+     */
+    extern const char *HTAnchor_server(HTParentAnchor *me);
+
+    /* Safe header handling.  - FM
+     */
+    extern BOOL HTAnchor_safe(HTParentAnchor *me);
+
+    /* Content-Base header handling.  - FM
+     */
+    extern const char *HTAnchor_content_base(HTParentAnchor *me);
+
+    /* Content-Location header handling.  - FM
+     */
+    extern const char *HTAnchor_content_location(HTParentAnchor *me);
+
+    /* Message-ID, used for mail replies - kw
+     */
+    extern const char *HTAnchor_messageID(HTParentAnchor *me);
+
+    extern BOOL HTAnchor_setMessageID(HTParentAnchor *me,
+				      const char *messageid);
+
+    /* Subject, used for mail replies - kw
+     */
+    extern const char *HTAnchor_subject(HTParentAnchor *me);
+
+    extern BOOL HTAnchor_setSubject(HTParentAnchor *me,
+				    const char *subject);
+
+    /* Manipulation of links
+     * ---------------------
+     */
+    extern HTAnchor *HTAnchor_followLink(HTChildAnchor *me);
+
+    extern HTAnchor *HTAnchor_followTypedLink(HTChildAnchor *me,
+					      HTLinkType *type);
+
+    /* Read and write methods
+     * ----------------------
+     */
+    extern HTList *HTAnchor_methods(HTParentAnchor *me);
+
+    /* Protocol
+     * --------
+     */
+    extern void *HTAnchor_protocol(HTParentAnchor *me);
+
+    extern void HTAnchor_setProtocol(HTParentAnchor *me,
+				     void *protocol);
+
+    /* Physical address
+     * ----------------
+     */
+    extern char *HTAnchor_physical(HTParentAnchor *me);
+
+    extern void HTAnchor_setPhysical(HTParentAnchor *me,
+				     char *protocol);
+
+    extern LYUCcharset *HTAnchor_getUCInfoStage(HTParentAnchor *me,
+						int which_stage);
+
+    extern int HTAnchor_getUCLYhndl(HTParentAnchor *me,
+				    int which_stage);
+
+    extern LYUCcharset *HTAnchor_setUCInfoStage(HTParentAnchor *me,
+						int LYhndl,
+						int which_stage,
+						int set_by);
+
+    extern LYUCcharset *HTAnchor_setUCInfoStage(HTParentAnchor *me,
+						int LYhndl,
+						int which_stage,
+						int set_by);
+
+    extern LYUCcharset *HTAnchor_resetUCInfoStage(HTParentAnchor *me,
+						  int LYhndl,
+						  int which_stage,
+						  int set_by);
+
+    extern LYUCcharset *HTAnchor_copyUCInfoStage(HTParentAnchor *me,
+						 int to_stage,
+						 int from_stage,
+						 int set_by);
+
+    extern void ImageMapList_free(HTList *list);
+
+#ifdef __cplusplus
+}
+#endif
+#endif				/* HTANCHOR_H */