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authorBenjamin Dobell <benjamin.dobell+git@glassechidna.com.au>2012-10-01 04:43:05 +0200
committerBenjamin Dobell <benjamin.dobell+git@glassechidna.com.au>2012-10-01 17:41:25 +0200
commit6cd6b35c737e0e4042a8fd79af1decc9f10ed84b (patch)
tree89625119662474ef30c84f410c056343d412121b /heimdall/source/Arguments.cpp
parentUpdated version to 1.3.2 and copyright notices to 2012. (diff)
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diff --git a/heimdall/source/Arguments.cpp b/heimdall/source/Arguments.cpp
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+/* Copyright (c) 2010-2012 Benjamin Dobell, Glass Echidna
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.*/
+
+// Heimdall
+#include "Arguments.h"
+#include "Heimdall.h"
+#include "Interface.h"
+#include "Utility.h"
+
+using namespace Heimdall;
+
+FlagArgument *FlagArgument::ParseArgument(int argc, char **argv, int& argi)
+{
+ return new FlagArgument();
+}
+
+
+
+StringArgument *StringArgument::ParseArgument(int argc, char **argv, int& argi)
+{
+ if (++argi < argc)
+ {
+ return (new StringArgument(argv[argi]));
+ }
+ else
+ {
+ Interface::Print("Missing parameter for argument: %s\n\n", argv[argi - 1]);
+ return (nullptr);
+ }
+}
+
+
+
+UnsignedIntegerArgument *UnsignedIntegerArgument::ParseArgument(int argc, char **argv, int& argi)
+{
+ UnsignedIntegerArgument *unsignedIntegerArgument = nullptr;
+
+ if (++argi < argc)
+ {
+ unsigned int value;
+
+ if (Utility::ParseUnsignedInt(value, argv[argi]) == kNumberParsingStatusSuccess)
+ unsignedIntegerArgument = new UnsignedIntegerArgument(value);
+ else
+ Interface::Print("%s must be a positive integer.", argv[argi - 1]);
+ }
+ else
+ {
+ Interface::Print("Missing parameter for argument: %s\n\n", argv[argi - 1]);
+ }
+
+ return (unsignedIntegerArgument);
+}
+
+
+
+Arguments::Arguments(const map<string, ArgumentType>& argumentTypes, const map<string, string>& shortArgumentAliases,
+ const map<string, string> argumentAliases) :
+ argumentTypes(argumentTypes),
+ shortArgumentAliases(shortArgumentAliases),
+ argumentAliases(argumentAliases)
+{
+}
+
+Arguments::~Arguments()
+{
+ for (map<string, Argument *>::const_iterator it = arguments.begin(); it != arguments.end(); it++)
+ delete it->second;
+}
+
+bool Arguments::ParseArguments(int argc, char **argv, int argi)
+{
+ for (; argi < argc; ++argi)
+ {
+ string argumentName = argv[argi];
+ string nonwildcardArgumentName;
+
+ if (argumentName.find_first_of("--") == 0)
+ {
+ // Regular argument
+ argumentName = argumentName.substr(2);
+ nonwildcardArgumentName = argumentName;
+ }
+ else if (argumentName.find_first_of("-") == 0)
+ {
+ // Short argument alias
+ string shortArgumentAlias = argumentName.substr(1);
+ map<string, string>::const_iterator shortAliasIt = shortArgumentAliases.find(shortArgumentAlias);
+
+ if (shortAliasIt != shortArgumentAliases.end())
+ {
+ argumentName = shortAliasIt->second;
+ nonwildcardArgumentName = argumentName;
+ }
+ else
+ {
+ Interface::Print("Unknown argument: %s\n\n", argv[argi]);
+ return (false);
+ }
+ }
+ else
+ {
+ Interface::Print("Invalid argument: %s\n\n", argv[argi]);
+ return (false);
+ }
+
+ map<string, ArgumentType>::const_iterator argumentTypeIt = argumentTypes.find(argumentName);
+
+ if (argumentTypeIt == argumentTypes.end())
+ {
+ // No argument with that name, maybe it's an alias...
+ map<string, string>::const_iterator aliasIt = argumentAliases.find(argumentName);
+
+ if (aliasIt != argumentAliases.end())
+ {
+ argumentName = aliasIt->second;
+ nonwildcardArgumentName = argumentName;
+
+ argumentTypeIt = argumentTypes.find(argumentName);
+ }
+ }
+
+ // Handle wilcards
+
+ unsigned int unsignedIntName;
+
+ if (argumentTypeIt == argumentTypes.end())
+ {
+ // Look for the unsigned integer wildcard "%d".
+ if (Utility::ParseUnsignedInt(unsignedIntName, argumentName.c_str()) == kNumberParsingStatusSuccess)
+ {
+ argumentTypeIt = argumentTypes.find("%d");
+ argumentName = "%d";
+ }
+
+ // Look for the string wildcard "%s"
+ if (argumentTypeIt == argumentTypes.end())
+ {
+ argumentTypeIt = argumentTypes.find("%s");
+ argumentName = "%s";
+ }
+ }
+
+ Argument *argument = nullptr;
+
+ if (argumentTypeIt != argumentTypes.end())
+ {
+ switch (argumentTypeIt->second)
+ {
+ case kArgumentTypeFlag:
+ argument = FlagArgument::ParseArgument(argc, argv, argi);
+ break;
+
+ case kArgumentTypeString:
+ argument = StringArgument::ParseArgument(argc, argv, argi);
+ break;
+
+ case kArgumentTypeUnsignedInteger:
+ argument = UnsignedIntegerArgument::ParseArgument(argc, argv, argi);
+ break;
+
+ default:
+ Interface::Print("Unknown argument type: %s\n\n", argv[argi]);
+ break;
+ }
+ }
+ else
+ {
+ Interface::Print("Unknown argument: %s\n\n", argv[argi]);
+ }
+
+ // We don't want to insert wild-cards into our argument map.
+ if (argumentName == "%d" || argumentName == "%s")
+ argumentName = nonwildcardArgumentName;
+
+ if (argument)
+ {
+ pair<map<string, Argument *>::iterator, bool> insertResult = arguments.insert(pair<string, Argument *>(argumentName, argument));
+
+ if (!insertResult.second)
+ {
+ Interface::Print("Duplicate argument: %s (%s)\n\n", argv[argi], insertResult.first->first.c_str());
+ delete argument;
+
+ return (false);
+ }
+ }
+ else
+ {
+ return (false);
+ }
+ }
+
+ return (true);
+}