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Rules: Outlined cfg parsing

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This commit is contained in:
Paul Beckingham 2016-03-19 08:38:09 -04:00
parent 16999a4d50
commit e8c34dcc43
1 changed files with 37 additions and 23 deletions
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60
src/Rules.cpp
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@ -26,11 +26,12 @@
#include <cmake.h>
#include <Rules.h>
#include <Lexer.h>
#include <FS.h>
#include <shared.h>
#include <format.h>
#include <sstream>
#include <iostream> // TODO Remove
//#include <iostream> // TODO Remove
#include <stack>
#include <inttypes.h>
@ -173,12 +174,44 @@ void Rules::parse (const std::string& input, int nest /* = 1 */)
line = rtrim (line);
if (line.length () > 0)
{
std::cout << "# Rules::parse " << line << "\n";
// std::cout << "# Rules::parse " << line << "\n";
// TODO Count spaces at SOL.
auto indentation = line.find_first_not_of (' ');
if (indentation && indentation != std::string::npos)
std::cout << "# indentation " << indentation << "\n";
// if (indentation && indentation != std::string::npos)
// std::cout << "# indentation " << indentation << "\n";
// Tokenize the line.
std::vector <std::string> tokens;
std::string token;
Lexer::Type type;
Lexer lexer (line);
while (lexer.token (token, type))
tokens.push_back (token);
// This may be an import statement.
if (tokens[0] == "import")
{
if (tokens.size () == 2)
{
Path imported (tokens[1]);
if (imported.is_absolute ())
{
if (imported.readable ())
load (imported, nest + 1);
else
throw format ("Could not read imported file '{1}'.", imported._data);
}
else
throw format ("Can only import files with absolute paths, not '{1}'.", imported._data);
}
else
throw std::string ("An 'import' statement requires a file to import.");
}
else if (tokens[0] == "define")
{
}
/*
auto equal = line.find ("=");
@ -189,25 +222,6 @@ void Rules::parse (const std::string& input, int nest /* = 1 */)
(*this)[key] = jsonDecode (value);
}
else
{
auto include = line.find ("include");
if (include != std::string::npos)
{
Path included (trim (line.substr (include + 7)));
if (included.is_absolute ())
{
if (included.readable ())
load (included, nest + 1);
else
throw format ("Could not read include file '{1}'.", included._data);
}
else
throw format ("Can only include files with absolute paths, not '{1}'", included._data);
}
else
throw format ("Malformed entry '{1}' in config file.", line);
}
*/
}
}