forked from mia/Aegisub
228 lines
7.1 KiB
C++
228 lines
7.1 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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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 are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file variable_data.cpp
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/// @brief A variant-type implementation
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/// @ingroup utility subs_storage
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////////////
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// Includes
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#include "config.h"
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#include "ass_dialogue.h"
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#include "ass_style.h"
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#include "utils.h"
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#include "variable_data.h"
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/// @brief Constructor
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VariableData::VariableData () {
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type = VARDATA_NONE;
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value = NULL;
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}
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/// @brief Destructor
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VariableData::~VariableData () {
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DeleteValue ();
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}
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/// @brief Deletes the stored value
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/// @return
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void VariableData::DeleteValue () {
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if (!value) return;
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if (type == VARDATA_NONE) return;
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switch (type) {
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case VARDATA_INT: delete value_int; break;
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case VARDATA_FLOAT: delete value_float; break;
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case VARDATA_TEXT: delete value_text; break;
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case VARDATA_BOOL: delete value_bool; break;
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case VARDATA_COLOUR: delete value_colour; break;
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case VARDATA_BLOCK: delete value_block; break;
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default: break;
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}
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type = VARDATA_NONE;
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value = NULL;
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}
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template<class T> static inline VariableDataType get_type();
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template<> inline VariableDataType get_type<int>() {
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return VARDATA_INT;
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}
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template<> inline VariableDataType get_type<double>() {
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return VARDATA_FLOAT;
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}
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template<> inline VariableDataType get_type<bool>() {
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return VARDATA_BOOL;
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}
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template<> inline VariableDataType get_type<wxString>() {
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return VARDATA_TEXT;
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}
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template<> inline VariableDataType get_type<wxColour>() {
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return VARDATA_COLOUR;
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}
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template<> inline VariableDataType get_type<AssDialogueBlockOverride *>() {
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return VARDATA_BLOCK;
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}
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template<class T>
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void VariableData::Set(T param) {
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DeleteValue();
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type = get_type<T>();
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value = new T(param);
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}
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template void VariableData::Set<int>(int param);
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template void VariableData::Set<double>(double param);
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template void VariableData::Set<bool>(bool param);
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template void VariableData::Set(wxString param);
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template void VariableData::Set<wxColour>(wxColour param);
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template void VariableData::Set<AssDialogueBlockOverride *>(AssDialogueBlockOverride * param);
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/// @brief Resets a value with a string, preserving current type
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/// @param value
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void VariableData::ResetWith(wxString value) {
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switch (type) {
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case VARDATA_INT: {
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long temp = 0;
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value.ToLong(&temp);
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Set<int>(temp);
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break;
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}
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case VARDATA_FLOAT: {
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double temp = 0;
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value.ToDouble(&temp);
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Set(temp);
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break;
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}
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case VARDATA_BOOL:
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if (value == _T("1")) Set(true);
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else Set(false);
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break;
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case VARDATA_COLOUR: {
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long r=0,g=0,b=0;
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value.Mid(1,2).ToLong(&r,16);
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value.Mid(3,2).ToLong(&g,16);
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value.Mid(5,2).ToLong(&b,16);
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Set(wxColour(r,g,b));
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break;
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}
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default:
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Set(value);
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break;
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}
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}
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/// @brief Reads as an int
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/// @return
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template<> int VariableData::Get<int>() const {
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if (!value) throw _T("Null parameter");
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if (type == VARDATA_BOOL) return !!(*value_bool);
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if (type == VARDATA_INT) return *value_int;
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if (type == VARDATA_FLOAT) return (int)(*value_float);
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if (type == VARDATA_TEXT) return 0;
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throw _T("Wrong parameter type, should be int");
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}
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/// @brief Reads as a float
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/// @return
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template<> double VariableData::Get<double>() const {
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if (!value) throw _T("Null parameter");
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if (type == VARDATA_FLOAT) return *value_float;
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if (type == VARDATA_INT) return (float)(*value_int);
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if (type == VARDATA_TEXT) return 0.0f;
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throw _T("Wrong parameter type, should be float");
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}
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/// @brief Reads as a bool
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/// @return
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template<> bool VariableData::Get<bool>() const {
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if (!value) throw _T("Null parameter");
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if (type == VARDATA_BOOL) return *value_bool;
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if (type == VARDATA_INT) return ((*value_int)!=0);
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if (type == VARDATA_FLOAT) return ((*value_float)!=0);
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if (type == VARDATA_TEXT) return false;
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throw _T("Wrong parameter type, should be bool");
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}
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/// @brief Reads as a colour
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/// @return
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template<> wxColour VariableData::Get<wxColour>() const {
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if (!value) throw _T("Null parameter");
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if (type == VARDATA_COLOUR) return *value_colour;
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else if (type == VARDATA_TEXT) {
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AssColor color;
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color.Parse(*value_text);
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return color.GetWXColor();
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}
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else throw _T("Wrong parameter type, should be colour");
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}
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/// @brief Reads as a block
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/// @return
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template<> AssDialogueBlockOverride *VariableData::Get<AssDialogueBlockOverride *>() const {
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if (!value) throw _T("Null parameter");
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if (type != VARDATA_BLOCK) throw _T("Wrong parameter type, should be block");
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return *value_block;
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}
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/// @brief Reads as a string
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/// @return
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template<> wxString VariableData::Get<wxString>() const {
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if (!value) throw _T("Null parameter");
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if (type != VARDATA_TEXT) {
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if (type == VARDATA_INT) return wxString::Format("%i",*value_int);
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else if (type == VARDATA_FLOAT) return wxString::Format("%g",*value_float);
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else if (type == VARDATA_COLOUR) return wxString::Format("#%02X%02X%02X",value_colour->Red(),value_colour->Green(),value_colour->Blue());
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else if (type == VARDATA_BOOL) return *value_bool ? "1" : "0";
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else if (type == VARDATA_BLOCK) return (*value_block)->GetText();
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else throw _T("Wrong parameter type, should be text");
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}
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return *value_text;
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}
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/// @brief Gets type
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/// @return
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VariableDataType VariableData::GetType() const {
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return type;
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}
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/// @brief Copy
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/// @param param
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void VariableData::operator= (const VariableData ¶m) {
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switch(param.GetType()) {
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case VARDATA_INT: Set(param.Get<int>()); break;
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case VARDATA_FLOAT: Set(param.Get<double>()); break;
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case VARDATA_TEXT: Set(param.Get<wxString>()); break;
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case VARDATA_BOOL: Set(param.Get<bool>()); break;
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case VARDATA_COLOUR: Set(param.Get<wxColor>()); break;
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case VARDATA_BLOCK: Set(param.Get<AssDialogueBlockOverride*>()); break;
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default: DeleteValue();
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}
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}
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