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#include "TemplateManager.hpp"
#include <filesystem>
TemplateManager::TemplateManager()
{
AddInjaCallback("test_fn", 0, [](inja::Arguments & args) {
(void)args;
return "Just a test fn.";
});
AddInjaCallback("test_return_true", 0, [](inja::Arguments & args) {
(void)args;
return true;
});
/*
* indent(input: str, width: int, first: bool, blank: bool);
*/
AddInjaCallback("indent", 4, [](inja::Arguments & args) {
std::stringstream stream(args.at(0)->get<std::string>());
std::string line, out;
bool is_first_line = true;
while (std::getline(stream, line))
{
if (is_first_line == false || args.at(2)->get<bool>() == true)
{
if (line != "" || args.at(3)->get<bool>() == false)
{
line.insert(0, args.at(1)->get<std::size_t>(), ' ');
}
}
line += '\n';
out += line;
is_first_line = false;
}
return out;
});
}
void TemplateManager::ParseTemplates(Filesystem & fs)
{
std::vector<std::string> sortedFilenames;
auto & files = fs.GetFiles();
fs.GetFilenamesSorted(sortedFilenames);
for (auto const & tpl : sortedFilenames)
{
std::string tmpl(files[tpl].data.data(), files[tpl].data.data() + files[tpl].data.size());
m_Inja.include_template(tpl, m_Inja.parse(tmpl));
std::cout << "File: " << tpl << " may contain a renderable template." << std::endl;
}
}
void TemplateManager::AddInjaCallback(std::string functionName,
std::size_t numberOfArgs,
inja::CallbackFunction function)
{
m_Inja.add_callback(functionName, numberOfArgs, function);
}
void TemplateManager::AddVoidInjaCallback(std::string functionName,
std::size_t numberOfArgs,
inja::VoidCallbackFunction function)
{
m_Inja.add_void_callback(functionName, numberOfArgs, function);
}
bool TemplateManager::TemplateExists(std::string const & templatePath)
{
return m_Inja.GetTemplateStorage().find(templatePath) != m_Inja.GetTemplateStorage().end();
}
bool TemplateManager::RenderTemplate(std::string const & templatePath, RenderData const & rd, std::string & out)
{
if (TemplateExists(templatePath) == false)
{
return false;
}
try
{
out = m_Inja.render(m_Inja.GetTemplateStorage()[templatePath].content, rd);
}
catch (inja::RenderError & re)
{
std::cerr << "Render Error: " << re.what() << std::endl;
return false;
}
return true;
}
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