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Diffstat (limited to 'X11/Xmu/Xct.h')
| -rw-r--r-- | X11/Xmu/Xct.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/X11/Xmu/Xct.h b/X11/Xmu/Xct.h new file mode 100644 index 000000000..b06644ae0 --- /dev/null +++ b/X11/Xmu/Xct.h @@ -0,0 +1,168 @@ +/* $Xorg: Xct.h,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */ + +/* + +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. + +*/ +/* $XFree86: xc/lib/Xmu/Xct.h,v 1.6 2001/01/17 19:42:58 dawes Exp $ */ + +#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 */ |