mirror of https://gitlab.com/rnger/amath
179 lines
4.8 KiB
C++
179 lines
4.8 KiB
C++
/*
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* Copyright (c) 2015-2017 Carsten Sonne Larsen <cs@innolan.dk>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "clib.h"
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#include "localize/lex.h"
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#include "localize/help.h"
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#include "localize/kword.h"
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#include "localize/ident.h"
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#include "localize/text.h"
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#include "localize/tags.h"
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#include "localize/ialias.h"
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#include "system/language.h"
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#include "system/program.h"
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Language::Language()
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{
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lastText = NOMEM;
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keywordsloc = NOMEM;
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keywordcount = sizeof(keywords) / sizeof(keyworddef);
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textcount = sizeof(textdefs) / sizeof(textdef);
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identcount = sizeof(identtexts) / sizeof(identhelpdef);
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helpcount = sizeof(helptexts) / sizeof(helptextdef);
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aliascount = sizeof(identaliases) / sizeof(identalias);
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}
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Language::~Language()
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{
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if (lastText != NOMEM) {
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delete lastText;
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}
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if (keywordsloc != NOMEM) {
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delete [] keywordsloc;
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}
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}
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char* Language::FindAlias(const char* ident)
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{
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for (unsigned int i = 0; i < aliascount; i++) {
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if (StrIsEqual(identaliases[i].ident, ident)) {
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return (char*)identaliases[i].alias;
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}
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}
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return (char*)ident;
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}
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Symbol Language::FindKeyword(const char* ident)
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{
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for (unsigned int i = 0; i < keywordcount; i++) {
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if (
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Program->Language->StrIsEqualLoc(keywords[i].name, ident) ||
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(keywordsloc != NULL &&
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Program->Language->StrIsEqualLoc(keywordsloc[i].name, ident))) {
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return keywords[i].symbol;
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}
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}
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return (Symbol)0;
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}
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char* Language::GetText(int id)
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{
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textdef *def = NOMEM;
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for (unsigned int i = 0; i < textcount; i++) {
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if (textdefs[i].id == id) {
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def = (textdef*)&textdefs[i];
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break;
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}
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}
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if (def == NOMEM) {
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return (char*)(HELPNOHELP);
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}
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char *text = Translate(def);
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char *untagged = UntagText(text);
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return untagged;
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}
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char* Language::GetHelpText(char* ident)
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{
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char *s = FindAlias(ident);
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identhelpdef *def = NOMEM;
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for (unsigned int i = 0; i < identcount; i++) {
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if (StrIsEqual(identtexts[i].ident, s)) {
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def = (identhelpdef*)&identtexts[i];
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break;
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}
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}
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if (def == NOMEM) {
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return (char*)(HELPNOHELP);
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}
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char *text = Translate(def);
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char *untagged = UntagText(text);
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return untagged;
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}
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char* Language::GetHelpText(Symbol symbol)
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{
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helptextdef *def = NOMEM;
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for (unsigned int i = 0; i < helpcount; i++) {
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if (helptexts[i].symbol == symbol) {
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def = (helptextdef*)&helptexts[i];
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break;
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}
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}
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if (def == NOMEM) {
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return (char*)(HELPNOHELP);
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}
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char *text = Translate(def);
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char *untagged = UntagText(text);
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return untagged;
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}
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char* Language::UntagText(const char* text)
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{
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if (lastText != NOMEM) {
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delete lastText;
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lastText = NULL;
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}
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if (text == NOMEM) {
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return NOMEM;
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}
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unsigned int count = sizeof(texttags) / sizeof(texttag);
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char *untagged = new char[StrLen(text) * 2];
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Untag(untagged, text, (texttag*)texttags, count);
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unsigned int len = StrLen(untagged) + 1;
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lastText = new char[len];
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MemCopy(lastText, untagged, len);
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delete [] untagged;
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return lastText;
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}
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bool Language::CharIsQuote(unsigned long character)
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{
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return (character == '"');
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}
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bool Language::CharIsOperator(unsigned long character)
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{
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static const unsigned int count = sizeof(operators) / sizeof(operatordef);
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for (unsigned int i = 0; i < count; i++) {
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if (operators[i].chr == (char)character) {
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return true;
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}
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}
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return false;
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} |