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, 106 insertions, 0 deletions

diff --git a/WWW/Library/Implementation/UCDefs.h b/WWW/Library/Implementation/UCDefs.h
new file mode 100644
index 0000000..4eb7c56
--- /dev/null
+++ b/WWW/Library/Implementation/UCDefs.h
@@ -0,0 +1,106 @@
+/*
+ * $LynxId: UCDefs.h,v 1.18 2021/06/29 00:21:51 tom Exp $
+ *
+ * Definitions for Unicode character-translations
+ */
+
+#ifndef UCDEFS_H
+#define UCDEFS_H
+
+#ifndef HTUTILS_H
+#include <HTUtils.h>
+#endif
+
+typedef struct _LYUCcharset {
+    int UChndl;			/* -1 for "old" charsets, >= 0 for chartrans tables */
+
+    const char *MIMEname;
+    int enc;
+    int codepage;		/* if positive, an IBM OS/2 specific number;
+				   if negative, flag for no table translation */
+
+    /* parameters below are not used by chartrans mechanism, */
+    /* they describe some relationships against built-in Latin1 charset... */
+    int repertoire;		/* unused */
+    int codepoints;		/* subset/superset of Latin1 ? */
+    int cpranges;		/* unused, obsolete by LYlowest_eightbit;
+				   "which ranges have valid displayable chars
+				   (including nbsp and shy)" */
+    int like8859;		/* currently used for nbsp and shy only
+				   (but UCT_R_8859SPECL assumed for any UCT_R_8BIT...);
+				   "for which ranges is it like 8859-1" */
+} LYUCcharset;
+
+typedef enum {
+    UCT_ENC_7BIT,
+    UCT_ENC_8BIT,
+    UCT_ENC_8859,		/* no displayable chars in 0x80-0x9F */
+    UCT_ENC_8BIT_C0,		/* 8-bit + some chars in C0 control area */
+    UCT_ENC_MAYBE2022,
+    UCT_ENC_CJK,
+    UCT_ENC_16BIT,
+    UCT_ENC_UTF8
+} eUCT_ENC;
+
+#define UCT_REP_SUBSETOF_LAT1 0x01
+#define UCT_REP_SUPERSETOF_LAT1 0x02
+#define UCT_REP_IS_LAT1 UCT_REP_SUBSETOF_LAT1 | UCT_REP_SUPERSETOF_LAT1
+/*
+ *  Assume everything we deal with is included in the UCS2 repertoire,
+ *  so a flag for _REP_SUBSETOF_UCS2 would be redundant.
+ */
+
+/*
+ *  More general description how the code points relate to 8859-1 and UCS:
+ */
+#define UCT_CP_SUBSETOF_LAT1 0x01	/* implies UCT_CP_SUBSETOF_UCS2 */
+#define UCT_CP_SUPERSETOF_LAT1 0x02
+#define UCT_CP_SUBSETOF_UCS2 0x04
+
+#define UCT_CP_IS_LAT1 UCT_CP_SUBSETOF_LAT1 | UCT_CP_SUPERSETOF_LAT1
+
+/*
+ *  More specific bitflags for practically important code point ranges:
+ */
+#define UCT_R_LOWCTRL 0x08	/* 0x00-0x1F, for completeness */
+#define UCT_R_7BITINV 0x10	/* invariant???, displayable 7bit chars */
+#define UCT_R_7BITNAT 0x20	/* displayable 7bit, national??? */
+#define UCT_R_HIGHCTRL 0x40	/* chars in 0x80-0x9F range */
+#define UCT_R_8859SPECL 0x80	/* special chars in 8859-x sets: nbsp and shy */
+#define UCT_R_HIGH8BIT 0x100	/* rest of 0xA0-0xFF range */
+
+#define UCT_R_ASCII UCT_R_7BITINV | UCT_R_7BITNAT	/* displayable US-ASCII */
+#define UCT_R_LAT1  UCT_R_ASCII   | UCT_R_8859SPECL | UCT_R_HIGH8BIT
+#define UCT_R_8BIT  UCT_R_LAT1    | UCT_R_HIGHCTRL	/* full 8bit range */
+
+/*
+ *  For the following some comments are in HTAnchor.c.
+ */
+typedef enum {
+    UCT_STAGE_MIME,
+    UCT_STAGE_PARSER,		/* What the parser (SGML.c) gets to see */
+    UCT_STAGE_STRUCTURED,	/* What the structured stream (HTML) gets fed */
+    UCT_STAGE_HTEXT,		/* What gets fed to the HText_* functions */
+    UCT_STAGEMAX
+} eUCT_STAGE;
+
+typedef enum {
+    UCT_SETBY_NONE,
+    UCT_SETBY_DEFAULT,
+    UCT_SETBY_LINK,		/* set by A or LINK CHARSET= hint */
+    UCT_SETBY_STRUCTURED,	/* structured stream stage (HTML.c) */
+    UCT_SETBY_PARSER,		/* set by SGML parser or similar */
+    UCT_SETBY_MIME		/* set explicitly by MIME charset parameter */
+} eUCT_SETBY;
+
+typedef struct _UCStageInfo {
+    int lock;			/* by what it has been set */
+    int LYhndl;
+    LYUCcharset C;
+} UCStageInfo;
+
+typedef struct _UCAnchorInfo {
+    struct _UCStageInfo s[UCT_STAGEMAX];
+} UCAnchorInfo;
+
+#endif /* UCDEFS_H */