vtparser.h
1 /* Copyright (c) 2017-2019 Rob King 2 * All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution. 11 * * Neither the name of the copyright holder nor the 12 * names of contributors may be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS, 19 * COPYRIGHT HOLDERS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 22 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 23 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #ifndef VTC_H 28 #define VTC_H 29 30 #include <stddef.h> 31 #include <wchar.h> 32 33 /**** CONFIGURATION 34 * VTPARSER_BAD_CHAR is the character that will be displayed when 35 * an application sends an invalid multibyte sequence to the terminal. 36 */ 37 #ifndef VTPARSER_BAD_CHAR 38 #ifdef __STDC_ISO_10646__ 39 #define VTPARSER_BAD_CHAR ((wchar_t)0xfffd) 40 #else 41 #define VTPARSER_BAD_CHAR L'?' 42 #endif 43 #endif 44 45 /**** DATA TYPES */ 46 #define MAXPARAM 16 47 #define MAXCALLBACK 128 48 #define MAXOSC 100 49 #define MAXBUF 100 50 51 typedef struct VTPARSER VTPARSER; 52 typedef struct STATE STATE; 53 typedef void (*VTCALLBACK)(VTPARSER *v, void *p, wchar_t w, wchar_t iw, 54 int argc, int *argv, const wchar_t *osc); 55 56 struct VTPARSER{ 57 STATE *s; 58 int narg, nosc, args[MAXPARAM], inter, oscbuf[MAXOSC + 1]; 59 mbstate_t ms; 60 void *p; 61 VTCALLBACK print, osc, cons[MAXCALLBACK], escs[MAXCALLBACK], 62 csis[MAXCALLBACK]; 63 }; 64 65 typedef enum{ 66 VTPARSER_CONTROL, 67 VTPARSER_ESCAPE, 68 VTPARSER_CSI, 69 VTPARSER_OSC, 70 VTPARSER_PRINT 71 } VtEvent; 72 73 /**** FUNCTIONS */ 74 VTCALLBACK 75 vtonevent(VTPARSER *vp, VtEvent t, wchar_t w, VTCALLBACK cb); 76 77 void 78 vtwrite(VTPARSER *vp, const char *s, size_t n); 79 80 #endif