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C++ Argument::getShortArg方法代码示例

本文整理汇总了C++中Argument::getShortArg方法的典型用法代码示例。如果您正苦于以下问题:C++ Argument::getShortArg方法的具体用法?C++ Argument::getShortArg怎么用?C++ Argument::getShortArg使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Argument的用法示例。


在下文中一共展示了Argument::getShortArg方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: addArgument

void ArgumentParser::addArgument(const Argument& arg) {
    vargs.push_back(arg);
    if (arg.getShortArg().size() > 0) {
        args.insert(pair<string, Argument>(arg.getShortArg(), arg));
    }

    if (arg.getLongArg().size() > 0) {
        args.insert(pair<string, Argument>(arg.getLongArg(), arg));
    }
}
开发者ID:fredyw,项目名称:cpp-argparser,代码行数:10,代码来源:ArgumentParser.cpp

示例2: parse

ParsedArgument ArgumentParser::parse(int argc, char** argv) {
    // put all the arguments into vector for easy manipulation
    vector<string> v;
    for (int i = 1; i < argc; i++) {
        v.push_back(string(argv[i]));
    }
    ParsedArgument pa;
    // ignore the first argument since the first argument is a program name
    for (size_t i = 0; i < v.size(); ++i) {
        string s = v[i];
        bool shortArg = cppargparser::isShortArg(s);
        bool longArg = cppargparser::isLongArg(s);
        if (!shortArg && !longArg) {
            throw InvalidArgumentException(s + " is an invalid argument");
        }
        string arg = s;
        if (longArg) {
            // if the argument has =, e.g. ---ccc=123 split it by = and then
            // modify the vector by modifying --ccc=123 with --ccc and adding
            // a new element 123
            size_t index = arg.find("=");
            if (index != string::npos) {
                string key = arg.substr(0, index);
                string value = arg.substr(index+1);
                arg = key;
                v[i] = key;
                v.insert(v.begin()+i+1, value);
            }
        }
        map<string, Argument>::iterator it = args.find(arg);
        if (it == args.end()) {
            throw InvalidArgumentException(arg + " is an invalid argument");
        }
        Argument argument = it->second;
        if (argument.getNumArgs() == Argument::INFINITY) {
            string value = "";
            do {
                value = v[++i];
                if (!cppargparser::isShortArg(value)) {
                    pa.putArgument(argument.getShortArg(), value);
                }
                if (!cppargparser::isLongArg(value)) {
                    pa.putArgument(argument.getLongArg(), value);
                }
            } while (!isShortArg(value) && !isLongArg(value));
        } else {
            i = i + 1;
            size_t n = i + argument.getNumArgs();
            // this condition means there's the argument doesn't need any value,
            // i.e. the numArgs is 0, thus there's no need to iterate each
            // argument value
            if (i == n) {
                pa.putArgument(argument.getShortArg(), "");
                pa.putArgument(argument.getLongArg(), "");
            }
            else {
                for (; i < n; ++i) {
                    if (i >= v.size()) {
                        throw InvalidArgumentException(
                            argument.getArg() + " requires " +
                            cppargparser::toString(argument.getNumArgs()) +
                            " argument(s)");
                    }
                    string value = v[i];
                    pa.putArgument(argument.getShortArg(), value);
                    pa.putArgument(argument.getLongArg(), value);
                }
            }
        }
        Validator* validator = argument.getValidator();
        if (validator != NULL) {
            if (argument.isShortArg()) {
                vector<string> values = pa.getValues(argument.getShortArg());
                if (!validator->validate(values)) {
                    throw InvalidArgumentException(cppargparser::toString(values) +
                        " is an invalid argument value");
                }
            } else {
                vector<string> values = pa.getValues(argument.getLongArg());
                if (!validator->validate(values)) {
                    throw InvalidArgumentException(cppargparser::toString(values) +
                        " is an invalid argument value");
                }
            }
        }
        args.erase(argument.getShortArg());
        args.erase(argument.getLongArg());
        // need to decrement i here because both inner and outer loops
        // increment i by 1
        --i;
    }
    // check if the there are still mandatory arguments in the args map
    // if there are, throw an InvalidArgumentException
    for (map<string, Argument>::const_iterator i = args.begin(); i != args.end(); ++i) {
        if (i->second.isMandatory()) {
            throw InvalidArgumentException(i->second.getArg() +
                " is a mandatory argument");
        }
    }

//.........这里部分代码省略.........
开发者ID:fredyw,项目名称:cpp-argparser,代码行数:101,代码来源:ArgumentParser.cpp


注:本文中的Argument::getShortArg方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。