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/*
$Id: componentfile_preprocess.h,v 1.5 2001/09/08 19:12:50 japj Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#ifndef header_componentfile_preprocess
#define header_componentfile_preprocess
#include <string>
#include <map>
#include <list>
#include <vector>
/*
Preprocessor functionality:
Implements template support, by preprocessing the component script file,
expanding template instantiations with template bodies, and removing template
definition bodies. Example;
File before: template <X, Y, TEXT>
label std_label
{
x = X;
y = Y;
text = TEXT;
}
template <X, Y, TEXT>
frame my_frame
{
x = X;
y = Y;
label1 = std_label<X, Y, TEXT>;
}
my_thing = my_frame<10, 10, testing>;
<============================================================>
File after: frame my_thing
{
x = 10;
y = 10;
label label1
{
x = 10;
y = 10;
text = testing;
}
}
*/
class CL_Componentfile_Preprocess
{
public:
CL_Componentfile_Preprocess(const std::string &data, const std::string &filename);
operator const std::string &() { return data; }
private:
std::string data;
enum EParseState
{
PARSE_GLOBAL,
PARSE_TEMPLATE,
PARSE_TEMPLATE_ARG,
PARSE_TEMPLATE_NAMEDEF,
PARSE_TEMPLATE_BODY,
PARSE_TEMPLATE_INSTANTIATION,
PARSE_TEMPLATE_INSTANTIATION_ARG
};
struct TemplateDefinition
{
int file_offset;
int name_offset;
int definition_copy_offset;
std::string definition;
typedef std::map<std::string, std::pair<int, std::list<int> > > CONV_MAP;
CONV_MAP conversions;
};
struct TemplateReplacement
{
int offset;
std::string new_text;
int erase_length;
};
class SortTemplateDefinitionByLocationDescending
{
public:
bool operator()(TemplateDefinition *x, TemplateDefinition *y) const
{
return x->file_offset > y->file_offset;
}
};
void perform_replacements(std::string &s, std::vector<TemplateReplacement> &replacements, int global_offset);
class SortTemplateReplacementByLocationDescending
{
public:
bool operator()(const TemplateReplacement &x, const TemplateReplacement &y) const
{
return x.offset > y.offset;
}
};
};
#endif
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