split into multiple files for better organization

tools/generator_utils.cpp

@@ -0,0 +1,128 @@
+#include "generator_utils.h"
+
+#include <iostream>
+
+using namespace std;
+
+const char *atomic_type_to_string(char t)
+{
+	static struct { char type; const char *name; } atos[] =
+	{
+		{ 'y', "uint8_t" },
+		{ 'b', "bool" },
+		{ 'n', "int16_t" },
+		{ 'q', "uint16_t" },
+		{ 'i', "int32_t" },
+		{ 'u', "uint32_t" },
+		{ 'x', "int64_t" },
+		{ 't', "uint64_t" },
+		{ 'd', "double" },
+		{ 's', "std::string" },
+		{ 'o', "::DBus::Path" },
+		{ 'g', "::DBus::Signature" },
+		{ 'v', "::DBus::Variant" },
+		{ '\0', "" }
+	};
+	int i;
+
+	for (i = 0; atos[i].type; ++i)
+	{
+		if (atos[i].type == t) break;
+	}
+	return atos[i].name;
+}
+
+string stub_name(string name)
+{
+	underscorize(name);
+
+	return "_" + name + "_stub";
+}
+
+void _parse_signature(const string &signature, string &type, unsigned int &i)
+{
+	for (; i < signature.length(); ++i)
+	{
+		switch (signature[i])
+		{
+			case 'a':
+			{
+				switch (signature[++i])
+				{
+					case '{':
+					{
+						type += "std::map< ";
+
+						const char *atom = atomic_type_to_string(signature[++i]);
+						if (!atom)
+						{
+							cerr << "invalid signature" << endl;
+							exit(-1);
+						}
+						type += atom;
+						type += ", ";
+						++i;
+						break;
+					}
+					default:
+					{
+						type += "std::vector< ";
+						break;
+					}
+				}
+				_parse_signature(signature, type, i);
+				type += " >";
+				continue;
+			}
+			case '(':	
+			{
+				type += "::DBus::Struct< ";
+				++i;
+				_parse_signature(signature, type, i);
+				type += " >";
+				if (signature[i+1])
+				{
+					type += ", ";
+				}
+				continue;
+			}
+			case ')':
+			case '}':	
+			{
+				return;
+			}
+			default:
+			{
+				const char *atom = atomic_type_to_string(signature[i]);
+				if (!atom)
+				{
+					cerr << "invalid signature" << endl;
+					exit(-1);
+				}
+				type += atom;
+
+				if (signature[i+1] != ')' && signature[i+1] != '}' && i+1 < signature.length())
+				{
+					type += ", ";
+				}
+				break;
+			}
+		}
+	}
+}
+
+string signature_to_type(const string &signature)
+{
+	string type;
+	unsigned int i = 0;
+	_parse_signature(signature, type, i);
+	return type;
+}
+
+void underscorize(string &str)
+{
+	for (unsigned int i = 0; i < str.length(); ++i)
+	{
+		if (!isalpha(str[i]) && !isdigit(str[i])) str[i] = '_';
+	}
+}