mirror of https://gitlab.com/rnger/amath
137 lines
3.5 KiB
C++
137 lines
3.5 KiB
C++
/*-
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* Copyright (c) 2014-2021 Carsten Sonne Larsen <cs@innolan.net>
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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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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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#include "amath.h"
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#include "amathc.h"
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#include "preferences.h"
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#include "lib/numb.h"
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#include "lib/real.h"
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#include "lib/ntextd.h"
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#include "lib/charbuf.h"
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#include "main/lexer.h"
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#include "main/nodes.h"
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#include "main/parser.h"
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PreferencesBase::PreferencesBase()
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{
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buf = new CharBuffer();
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SetDefaults();
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}
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PreferencesBase::~PreferencesBase()
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{
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delete buf;
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delete prompt;
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}
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void PreferencesBase::SetDefaults()
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{
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AllocAndCopy(&this->prompt, "> ");
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digits = 9;
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refactorNames = false;
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}
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char* PreferencesBase::GetDescription() const
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{
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static char* promptkw = Lexer::FindKeyword(symprompt);
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static char* digitkw = Lexer::FindKeyword(symdigits);
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static char delimiter = *(Lexer::FindKeyword(symdelimiter));
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static char promptq = '"';
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Number* d = new RealNumber(GetDigits());
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NumeralSystem* ns = new DecimalSystem(2);
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const char* dtext = ns->GetText(d);
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delete d;
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buf->Empty();
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buf->EnsureSize(
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StrLen(promptkw) + sizeof(SPACE) + sizeof(promptq) +
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StrLen(prompt) + sizeof(promptq) + sizeof(delimiter) +
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StrLen(digitkw) + sizeof(SPACE) + StrLen(dtext) + sizeof(delimiter) + sizeof(char));
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buf->Append(promptkw);
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buf->Append(SPACE);
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buf->Append(promptq);
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buf->Append(prompt);
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buf->Append(promptq);
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buf->Append(delimiter);
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buf->Append(digitkw);
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buf->Append(SPACE);
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buf->Append(dtext);
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buf->Append(delimiter);
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delete ns;
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return buf->GetString();
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}
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void PreferencesBase::SetPrefs(char* prefs)
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{
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if (prefs == nullptr)
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{
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return;
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}
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Parser* parser = new Parser(prefs);
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SyntaxNode* node = parser->Parse();
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delete parser;
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node->Execute();
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delete node;
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}
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char* PreferencesBase::GetPrompt() const
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{
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return prompt;
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}
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void PreferencesBase::SetPrompt(const char* prompt)
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{
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delete this->prompt;
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AllocAndCopy(&this->prompt, prompt);
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}
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int PreferencesBase::GetDigits() const
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{
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return digits;
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}
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void PreferencesBase::SetDigits(int digits)
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{
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this->digits = digits;
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}
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bool PreferencesBase::GetRefactorNames()
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{
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return refactorNames;
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}
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void PreferencesBase::SetRefactorNames(bool yes)
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{
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refactorNames = yes;
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}
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