1135446Strhodes/**************************************************************************** 2223812Sdougb * Copyright (c) 2003,2006 Free Software Foundation, Inc. * 3135446Strhodes * * 4135446Strhodes * Permission is hereby granted, free of charge, to any person obtaining a * 5193149Sdougb * copy of this software and associated documentation files (the * 6135446Strhodes * "Software"), to deal in the Software without restriction, including * 7135446Strhodes * without limitation the rights to use, copy, modify, merge, publish, * 8135446Strhodes * distribute, distribute with modifications, sublicense, and/or sell * 9135446Strhodes * copies of the Software, and to permit persons to whom the Software is * 10135446Strhodes * furnished to do so, subject to the following conditions: * 11135446Strhodes * * 12135446Strhodes * The above copyright notice and this permission notice shall be included * 13135446Strhodes * in all copies or substantial portions of the Software. * 14135446Strhodes * * 15135446Strhodes * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16135446Strhodes * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17135446Strhodes * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18225361Sdougb * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19135446Strhodes * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20135446Strhodes * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21135446Strhodes * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22135446Strhodes * * 23135446Strhodes * Except as contained in this notice, the name(s) of the above copyright * 24135446Strhodes * holders shall not be used in advertising or otherwise to promote the * 25135446Strhodes * sale, use or other dealings in this Software without prior written * 26135446Strhodes * authorization. * 27193149Sdougb ****************************************************************************/ 28170222Sdougb 29135446Strhodes/**************************************************************************** 30135446Strhodes * Author: Thomas E. Dickey, 2003 * 31135446Strhodes ****************************************************************************/ 32135446Strhodes 33135446Strhodes#include <curses.priv.h> 34135446Strhodes 35135446StrhodesMODULE_ID("$Id: key_defined.c,v 1.6 2006/12/30 23:22:55 tom Exp $") 36170222Sdougb 37135446Strhodesstatic int 38135446Strhodesfind_definition(TRIES * tree, const char *str) 39170222Sdougb{ 40135446Strhodes TRIES *ptr; 41135446Strhodes int result = OK; 42170222Sdougb 43135446Strhodes if (str != 0 && *str != '\0') { 44135446Strhodes for (ptr = tree; ptr != 0; ptr = ptr->sibling) { 45170222Sdougb if (UChar(*str) == UChar(ptr->ch)) { 46135446Strhodes if (str[1] == '\0' && ptr->child != 0) { 47135446Strhodes result = ERR; 48170222Sdougb } else if ((result = find_definition(ptr->child, str + 1)) 49135446Strhodes == OK) { 50135446Strhodes result = ptr->value; 51170222Sdougb } else if (str[1] == '\0') { 52135446Strhodes result = ERR; 53135446Strhodes } 54135446Strhodes } 55135446Strhodes if (result != OK) 56170222Sdougb break; 57135446Strhodes } 58135446Strhodes } 59135446Strhodes return (result); 60135446Strhodes} 61135446Strhodes 62170222Sdougb/* 63170222Sdougb * Returns the keycode associated with the given string. If none is found, 64170222Sdougb * return OK. If the string is only a prefix to other strings, return ERR. 65170222Sdougb * Otherwise, return the keycode's value (neither OK/ERR). 66170222Sdougb */ 67170222SdougbNCURSES_EXPORT(int) 68135446Strhodeskey_defined(const char *str) 69135446Strhodes{ 70135446Strhodes int code = ERR; 71135446Strhodes 72135446Strhodes T((T_CALLED("key_defined(%s)"), _nc_visbuf(str))); 73135446Strhodes if (SP != 0 && str != 0) { 74135446Strhodes code = find_definition(SP->_keytry, str); 75135446Strhodes } 76135446Strhodes 77135446Strhodes returnCode(code); 78135446Strhodes} 79135446Strhodes