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Diffstat (limited to 'X11/Xmu/Xct.h')
| -rw-r--r-- | X11/Xmu/Xct.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/X11/Xmu/Xct.h b/X11/Xmu/Xct.h new file mode 100644 index 000000000..337b70bc8 --- /dev/null +++ b/X11/Xmu/Xct.h @@ -0,0 +1,165 @@ +/*
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifndef _Xct_h
+#define _Xct_h
+
+#include <X11/Xfuncproto.h>
+
+#define XctVersion 1
+
+typedef unsigned char *XctString;
+
+typedef enum {
+ XctUnspecified,
+ XctLeftToRight,
+ XctRightToLeft
+} XctHDirection;
+
+typedef unsigned long XctFlags;
+
+/* These are bits in XctFlags. */
+
+#define XctSingleSetSegments 0x0001
+ /* This means that returned segments should contain characters from only
+ * one set (C0, C1, GL, GR). When this is requested, XctSegment is never
+ * returned, instead XctC0Segment, XctC1Segment, XctGlSegment, and
+ * XctGRSegment are returned. C0 and C1 segments are always returned as
+ * singleton characters.
+ */
+
+#define XctProvideExtensions 0x0002
+ /* This means that if the Compound Text string is from a higher version
+ * than this code is implemented to, then syntactically correct but unknown
+ * control sequences should be returned as XctExtension items. If this
+ * flag is not set, and the Compound Text string version indicates that
+ * extensions cannot be ignored, then each unknown control sequence will be
+ * reported as an XctError.
+ */
+
+#define XctAcceptC0Extensions 0x0004
+ /* This means that if the Compound Text string is from a higher version
+ * than this code is implemented to, then unknown C0 characters should be
+ * treated as if they were legal, and returned as C0 characters (regardless
+ * of how XctProvideExtensions is set). If this flag is not set, then all
+ * unknown C0 characters are treated according to XctProvideExtensions.
+ */
+
+#define XctAcceptC1Extensions 0x0008
+ /* This means that if the Compound Text string is from a higher version
+ * than this code is implemented to, then unknown C0 characters should be
+ * treated as if they were legal, and returned as C0 characters (regardless
+ * of how XctProvideExtensions is set). If this flag is not set, then all
+ * unknown C0 characters are treated according to XctProvideExtensions.
+ */
+
+#define XctHideDirection 0x0010
+ /* This means that horizontal direction changes should be reported as
+ * XctHorizontal items. If this flag is not set, then direction changes are
+ * not returned as items, but the current direction is still maintained and
+ * reported for other items.
+ */
+
+#define XctFreeString 0x0020
+ /* This means that XctFree should free the Compound Text string (that was
+ * passed to XctCreate. If this flag is not set, the string is not freed.
+ */
+
+#define XctShiftMultiGRToGL 0x0040
+ /* Translate GR segments on-the-fly into GL segments for the GR sets:
+ * GB2312.1980-1, JISX0208.1983-1, and KSC5601.1987-1.
+ */
+
+/* This is the return type for XctNextItem. */
+typedef enum {
+ XctSegment, /* used when XctSingleSetSegments is not requested */
+ XctC0Segment, /* used when XctSingleSetSegments is requested */
+ XctGLSegment, /* used when XctSingleSetSegments is requested */
+ XctC1Segment, /* used when XctSingleSetSegments is requested */
+ XctGRSegment, /* used when XctSingleSetSegments is requested */
+ XctExtendedSegment, /* an extended segment */
+ XctExtension, /* used when XctProvideExtensions is requested */
+ XctHorizontal, /* horizontal direction or depth change */
+ XctEndOfText, /* end of text string */
+ XctError /* syntactic or semantic error */
+} XctResult;
+
+typedef struct _XctRec {
+ XctString total_string; /* as given to XctCreate */
+ int total_length; /* as given to XctCreate */
+ XctFlags flags; /* as given to XctCreate */
+ int version; /* indicates the version of the CT spec
+ * the string was produced from */
+ int can_ignore_exts;/* non-zero if ignoring extensions is
+ * acceptable, else zero */
+ XctString item; /* item returned from XctNextItem */
+ unsigned item_length; /* length of item in bytes */
+ int char_size; /* number of bytes per character in
+ * item, with zero meaning variable */
+ char *encoding; /* Encoding name for item */
+ XctHDirection horizontal; /* direction of item */
+ unsigned horz_depth; /* current direction nesting depth */
+ char *GL; /* "{I} F" string for current GL */
+ char *GL_encoding; /* Encoding name for current GL */
+ int GL_set_size; /* 94 or 96 */
+ int GL_char_size; /* number of bytes per GL character */
+ char *GR; /* "{I} F" string for current GR */
+ char *GR_encoding; /* Encoding name for current GR */
+ int GR_set_size; /* 94 or 96 */
+ int GR_char_size; /* number of bytes per GR character */
+ char *GLGR_encoding; /* Encoding name for current GL+GR,
+ * if known */
+ struct _XctPriv *priv; /* private to parser, don't peek */
+} *XctData;
+
+/* these are the external routines */
+_XFUNCPROTOBEGIN
+
+XctData XctCreate
+(
+ _Xconst unsigned char *string,
+ int length,
+ XctFlags flags
+);
+
+XctResult XctNextItem
+(
+ XctData data
+);
+
+void XctFree
+(
+ XctData data
+ );
+
+void XctReset
+(
+ XctData data
+ );
+
+_XFUNCPROTOEND
+
+#endif /* _Xct_h */
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