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Turn absolute paths in relative ones when saving widgets to a file

0.8
Bruno Van de Velde 2017-09-09 01:54:35 +02:00
parent 2cf7f3410e
commit e627b918f4
1 changed files with 97 additions and 4 deletions
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101
src/TGUI/Loading/WidgetSaver.cpp
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@ -49,6 +49,12 @@
#include <TGUI/Widgets/TextBox.hpp>
#include <TGUI/to_string.hpp>
#ifdef SFML_SYSTEM_WINDOWS
#include <direct.h> // _getcwd
#else
#include <unistd.h> // getcwd
#endif
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
namespace tgui
@ -61,6 +67,72 @@ namespace tgui
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
std::string workingDirectory;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
sf::String tryRemoveAbsolutePath(const sf::String& value)
{
if (!value.isEmpty() && (value != "null") && (value != "nullptr"))
{
if (value[0] != '"')
{
#ifdef SFML_SYSTEM_WINDOWS
if ((value[0] == '/') || (value[0] == '\\') || ((value.getSize() > 1) && (value[1] == ':')))
#else
if (value[0] == '/')
#endif
{
if ((value.getSize() > workingDirectory.size()) && (value.substring(0, workingDirectory.size()) == workingDirectory))
{
if ((value[workingDirectory.size()] != '/') && (value[workingDirectory.size()] != '\\'))
return value.substring(workingDirectory.size());
else
return value.substring(workingDirectory.size() + 1);
}
}
}
else // The filename is between quotes
{
if (value.getSize() <= 1)
return value;
#ifdef SFML_SYSTEM_WINDOWS
if ((value[1] == '/') || (value[1] == '\\') || ((value.getSize() > 2) && (value[2] == ':')))
#else
if (value[1] == '/')
#endif
{
if ((value.getSize() + 1 > workingDirectory.size()) && (value.substring(1, workingDirectory.size()) == workingDirectory))
{
if ((value[workingDirectory.size() + 1] != '/') && (value[workingDirectory.size() + 1] != '\\'))
return '"' + value.substring(workingDirectory.size() + 1);
else
return '"' + value.substring(workingDirectory.size() + 2);
}
}
}
}
return value;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void recursiveTryRemoveAbsolutePath(std::unique_ptr<DataIO::Node>& node)
{
for (auto& pair : node->propertyValuePairs)
{
if (((pair.first.size() >= 7) && (toLower(pair.first.substr(0, 7)) == "texture")) || (pair.first == "font"))
pair.second->value = tryRemoveAbsolutePath(pair.second->value);
}
for (auto& child : node->children)
recursiveTryRemoveAbsolutePath(child);
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
std::unique_ptr<DataIO::Node> saveWidget(Widget::Ptr widget)
{
sf::String widgetName;
@ -108,16 +180,25 @@ namespace tgui
continue;
sf::String value = ObjectConverter{pair.second}.getString();
// Turn absolute paths (which were likely caused by loading from a theme) into relative paths if the first part of the path matches the current working directory
if (!workingDirectory.empty())
{
if ((pair.second.getType() == ObjectConverter::Type::Font) || (pair.second.getType() == ObjectConverter::Type::Texture))
value = tryRemoveAbsolutePath(value);
}
if (pair.second.getType() == ObjectConverter::Type::RendererData)
{
std::stringstream ss{value};
auto rendererRootNode = DataIO::parse(ss);
if (!rendererRootNode->children.empty())
node->children.back()->children.push_back(std::move(rendererRootNode->children[0]));
else
node->children.back()->children.push_back(std::move(rendererRootNode));
rendererRootNode = std::move(rendererRootNode->children[0]);
node->children.back()->children.back()->name = pair.first;
recursiveTryRemoveAbsolutePath(rendererRootNode);
rendererRootNode->name = pair.first;
node->children.back()->children.push_back(std::move(rendererRootNode));
}
else
node->children.back()->propertyValuePairs[pair.first] = make_unique<DataIO::ValueNode>(value);
@ -762,6 +843,18 @@ namespace tgui
void WidgetSaver::save(Container::ConstPtr widget, std::stringstream& stream)
{
// Get the current working directory (used for turning absolute into relative paths in saveWidget)
#ifdef SFML_SYSTEM_WINDOWS
char* buffer = _getcwd(nullptr, 0);
#else
char* buffer = getcwd(nullptr, 0);
#endif
if (buffer)
{
workingDirectory = buffer;
free(buffer);
}
auto node = make_unique<DataIO::Node>();
for (const auto& child : widget->getWidgets())
{