Gabriele Cosmo
492 lines
14 KiB
Plaintext
492 lines
14 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_args
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#define tools_args
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#include "sout"
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#include "strip"
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#include "words"
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#include "sto"
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#include <ostream>
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namespace tools {
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class args {
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public:
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typedef std::pair<std::string,std::string> arg;
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public:
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args(){}
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args(int a_argc,char* a_argv[]){
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for(int index=0;index<a_argc;index++) {
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std::string s(a_argv[index]);
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std::string::size_type pos = s.find('=');
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if(pos==std::string::npos) {
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m_args.push_back(arg(s,""));
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} else {
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std::string key = s.substr(0,pos);
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pos++;
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std::string value = s.substr(pos,s.size()-pos);
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m_args.push_back(arg(key,value));
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}
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}
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}
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args(const std::vector<std::string>& a_args){add(a_args);}
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args(const std::vector<arg>& a_args):m_args(a_args){}
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args(const std::string& a_args,const std::string& a_sep = " ",bool a_strip = false){
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std::vector<std::string> _args;
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words(a_args,a_sep,false,_args);
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add(_args,a_strip);
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}
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virtual ~args(){}
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public:
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args(const args& a_from):m_args(a_from.m_args){}
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args& operator=(const args& a_from){
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m_args = a_from.m_args;
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return *this;
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}
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public:
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const std::vector<arg>& get_args() const {return m_args;}
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bool is_arg(const std::string& a_string) const {
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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if((*it).first==a_string) return true;
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}
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return false;
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}
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bool is_empty() const {return m_args.size()?false:true;}
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unsigned int size() const {return m_args.size();}
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unsigned int number() const {return m_args.size();} //back comp.
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bool find(const std::string& a_key,std::string& a_value) const {
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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if((*it).first==a_key) {
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a_value = (*it).second;
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return true;
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}
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}
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a_value.clear();
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return false;
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}
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std::vector<std::string> find(const std::string& a_key) const {
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std::vector<std::string> vals;
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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if((*it).first==a_key) vals.push_back((*it).second);
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}
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return vals;
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}
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bool find(const std::string& a_string,bool& a_value) const {
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std::string s;
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if(!find(a_string,s)) {a_value = false;return false;}
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return to(s,a_value);
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}
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template <class aT>
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bool find(const std::string& a_string,aT& a_value) const {
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std::string _s;
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if(!find(a_string,_s)) {a_value = aT();return false;}
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return to<aT>(_s,a_value);
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}
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std::vector<std::string> tovector() const {
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// Return a vector of string <name=value>
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std::vector<std::string> vec;
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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std::string s;
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if((*it).second.empty()) {
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s = (*it).first;
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} else {
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s = (*it).first;
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s += "=";
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s += (*it).second;
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}
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vec.push_back(s);
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}
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return vec;
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}
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bool add(const std::string& a_key,
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const std::string& a_value = "",
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bool a_override = true){
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if(a_override) {
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for(std::vector<arg>::iterator it = m_args.begin();
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it!=m_args.end();++it) {
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if((*it).first==a_key) {
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(*it).second = a_value;
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return true;
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}
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}
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}
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if(a_key.empty()) return false;
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m_args.push_back(arg(a_key,a_value));
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return true;
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}
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void add(const std::vector<std::string>& a_args,bool a_strip = false) {
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for(std::vector<std::string>::const_iterator it = a_args.begin();
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it!=a_args.end();++it) {
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std::vector<std::string> ws;
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words((*it),"=",false,ws);
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if(ws.size()==1) {
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if(a_strip) {
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m_args.push_back(arg(strp(ws[0]),""));
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} else {
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m_args.push_back(arg(ws[0],""));
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}
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} else if(ws.size()>=2) {
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if(a_strip) {
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m_args.push_back(arg(strp(ws[0]),strp(ws[1])));
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} else {
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m_args.push_back(arg(ws[0],ws[1]));
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}
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}
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}
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}
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int remove(const std::string& a_key){
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unsigned int nbeg = m_args.size();
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for(std::vector<arg>::iterator it = m_args.begin();it!=m_args.end();) {
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if(a_key==(*it).first) {
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it = m_args.erase(it);
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} else {
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++it;
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}
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}
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return nbeg - m_args.size();
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}
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void remove_first(){m_args.erase(m_args.begin());}
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bool last(std::string& a_key,std::string& a_value) const {
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a_key.clear();
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a_value.clear();
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if(m_args.empty()) return false;
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a_key = m_args.back().first;
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a_value = m_args.back().second;
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return true;
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}
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bool file(std::string& a_file) const {
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std::string slast;
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std::string s;
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if((m_args.size()>1) //first arg is the program name !
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&& last(slast,s)
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&& (slast.find('-')!=0)
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&& (s.empty()) ) {
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a_file = slast; //Last argument is not an option.
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return true;
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} else {
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a_file.clear();
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return false;
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}
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}
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std::vector<std::string> files(bool a_skip_first = true) const {
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// Get the serie of trailing args not beginning with '-'
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// and without a value (not of the form [-]xxx=yyy).
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// Note that an argument like that in between arguments
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// is NOT taken into account.
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std::vector<std::string> _files;
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if(m_args.empty()) return _files;
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std::vector<arg>::const_iterator it = m_args.begin();
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if(a_skip_first) it++;
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for(;it!=m_args.end();++it) {
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if( ((*it).first.find('-')==0) || (*it).second.size() ) {
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_files.clear();
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} else {
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_files.push_back((*it).first);
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}
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}
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return _files;
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}
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bool argcv(int& a_argc,char**& a_argv) const {
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// If using with :
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// int argc;
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// char** argv;
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// args.argcv(argc,argv);
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// you can delete with :
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// args.delete_argcv(argc,argv);
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if(m_args.empty()) {a_argc = 0;a_argv = 0;return true;}
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typedef char* _cstr_t;
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_cstr_t* av = new _cstr_t[m_args.size()];
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if(!av) {a_argc = 0;a_argv = 0;return false;}
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a_argv = av;
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it,av++) {
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std::string::size_type lf = (*it).first.length();
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std::string::size_type ls = (*it).second.length();
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std::string::size_type sz = 0;
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if(ls) {
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sz = lf + 1 + ls;
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} else {
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sz = lf;
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}
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char* p = new char[sz+1];
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if(!p) {a_argc = 0;a_argv = 0;return false;} //some delete are lacking.
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*av = p;
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{char* pf = (char*)(*it).first.c_str();
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for(std::string::size_type i=0;i<lf;i++) {*p++ = *pf++;}
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*p = 0;}
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if(ls) {*p = '=';p++;}
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{char* ps = (char*)(*it).second.c_str();
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for(std::string::size_type i=0;i<ls;i++) {*p++ = *ps++;}
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*p = 0;}
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}
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a_argc = (int)m_args.size();
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return true;
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}
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void delete_argcv(int& a_argc,char**& a_argv) const {
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for(int index=0;index<a_argc;index++) delete [] a_argv[index];
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delete [] a_argv;
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a_argc = 0;
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a_argv = 0;
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}
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bool known_options(const std::vector<std::string>& a_opts) const {
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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if((*it).first.find('-')==0) { //find '-' at first pos.
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bool found = false;
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for(std::vector<std::string>::const_iterator it2 = a_opts.begin();
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it2!=a_opts.end();++it2) {
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if((*it).first==(*it2)) {
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found = true;
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break;
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}
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}
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if(!found) return false;
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}
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}
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return true;
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}
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void files_at_end(bool a_skip_first = true) {
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// reorder to have "file" arguments at end.
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if(m_args.empty()) return;
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std::vector<arg> _args;
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if(a_skip_first) _args.push_back(*(m_args.begin()));
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//first pass :
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{std::vector<arg>::const_iterator it = m_args.begin();
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if(a_skip_first) it++;
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for(;it!=m_args.end();++it) {
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if( ((*it).first.find('-')==0) || (*it).second.size() ) {
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_args.push_back(*it);
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}
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}}
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//second pass :
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{std::vector<arg>::const_iterator it = m_args.begin();
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if(a_skip_first) it++;
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for(;it!=m_args.end();++it) {
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if( ((*it).first.find('-')==0) || (*it).second.size() ) {
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} else {
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_args.push_back(*it);
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}
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}}
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m_args = _args;
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}
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//NOTE : print is a Python keyword.
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void dump(std::ostream& a_out) const {
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for(std::vector<arg>::const_iterator it = m_args.begin();
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it!=m_args.end();++it) {
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a_out << "key = " << sout((*it).first)
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<< " value = " << sout((*it).second)
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<< std::endl;
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}
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}
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protected:
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std::vector<arg> m_args;
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};
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inline bool check_args(const std::vector<std::string>& a_args,unsigned int a_number,std::ostream& a_out){
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if(a_args.size()==a_number) return true;
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a_out << "bad argument number."
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<< " Given " << (unsigned int)a_args.size()
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<< " whilst " << a_number << " expected."
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<< std::endl;
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return false;
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}
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inline bool check_min(const std::vector<std::string>& a_args,unsigned int a_number,std::string& a_last,std::ostream& a_out){
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if(a_args.size()>=a_number) {
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if(a_number==0) {
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if(a_args.empty()) {
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a_last.clear();
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} else {
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a_last = a_args[0];
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for(unsigned int index=1;index<a_args.size();index++) {
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a_last += " " + a_args[index];
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}
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}
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} else {
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a_last = a_args[a_number-1];
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for(unsigned int index=a_number;index<a_args.size();index++) {
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a_last += " " + a_args[index];
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}
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}
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return true;
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}
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a_out << "bad argument number."
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<< " Given " << (unsigned int)a_args.size()
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<< " whilst at least " << a_number << " expected."
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<< std::endl;
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return false;
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}
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inline bool check_min_args(const std::vector<std::string>& aArgs,unsigned int a_number,std::ostream& a_out){
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if(aArgs.size()>=a_number) return true;
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a_out << "bad argument number."
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<< " Given " << (unsigned int)aArgs.size()
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<< " whilst at least " << a_number << " expected."
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<< std::endl;
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return false;
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}
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inline bool check_or_args(const std::vector<std::string>& aArgs,unsigned int a_1,unsigned int a_2,std::ostream& a_out){
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if((aArgs.size()==a_1)||(aArgs.size()==a_2)) return true;
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a_out << "bad argument number."
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<< " Given " << (unsigned int)aArgs.size()
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<< " whilst " << a_1 << " or " << a_2 << " expected."
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<< std::endl;
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return false;
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}
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template <class T>
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inline bool to(std::ostream& a_out,const std::string& a_string,T& a_value){
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if(!to<T>(a_string,a_value)) {
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a_out << "Passed value " << sout(a_string)
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<< " is of bad type."
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<< std::endl;
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return false;
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}
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return true;
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}
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inline bool to(std::ostream& a_out,const std::string& a_string,bool& a_value){
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if(!to(a_string,a_value)) {
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a_out << "Passed value " << sout(a_string)
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<< " is not a boolean."
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<< std::endl;
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return false;
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}
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return true;
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}
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inline std::string gui_toolkit(args& a_args,bool a_rm_in_args){
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std::string driver;
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a_args.find("-toolkit",driver);
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if(a_rm_in_args) a_args.remove("-toolkit");
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if(driver.empty()) {
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if(a_args.is_arg("-Xt")||
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a_args.is_arg("-xt")||
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a_args.is_arg("-Xm")||
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a_args.is_arg("-xm")||
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a_args.is_arg("-Motif")||
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a_args.is_arg("-motif")) {
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driver = "Xt";
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if(a_rm_in_args) {
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a_args.remove("-Xt");
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a_args.remove("-xt");
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a_args.remove("-Xm");
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a_args.remove("-xm");
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a_args.remove("-Motif");
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a_args.remove("-motif");
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}
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} else if(a_args.is_arg("-Win")||
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a_args.is_arg("-win")||
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a_args.is_arg("-Win32")||
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a_args.is_arg("-win32")) {
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driver = "Win";
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if(a_rm_in_args) {
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a_args.remove("-Win");
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a_args.remove("-win");
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a_args.remove("-Win32");
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a_args.remove("-win32");
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}
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} else if(a_args.is_arg("-NextStep")||
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a_args.is_arg("-nextstep")) {
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driver = "NextStep";
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if(a_rm_in_args) {
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a_args.remove("-NextStep");
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a_args.remove("-nextstep");
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}
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} else if(a_args.is_arg("-Gtk")||
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a_args.is_arg("-gtk")) {
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driver = "Gtk";
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if(a_rm_in_args) {
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a_args.remove("-Gtk");
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a_args.remove("-gtk");
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}
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} else if(a_args.is_arg("-Qt")||
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a_args.is_arg("-qt")) {
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driver = "Qt";
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if(a_rm_in_args) {
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a_args.remove("-Qt");
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a_args.remove("-qt");
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}
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} else if(a_args.is_arg("-SDL")||
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a_args.is_arg("-sdl")) {
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driver = "SDL";
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if(a_rm_in_args) {
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a_args.remove("-SDL");
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a_args.remove("-sdl");
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}
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} else if(a_args.is_arg("-Net")||
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a_args.is_arg("-net")) {
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driver = "Net";
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if(a_rm_in_args) {
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a_args.remove("-Net");
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a_args.remove("-net");
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}
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}
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}
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return driver;
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}
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inline void window_size_from_args(const args& a_args,
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unsigned int& a_ww,unsigned int& a_wh) {
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// return some common window size (in pixels).
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if(a_args.is_arg("-iPod")||a_args.is_arg("-iPhone")) {
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a_ww = 320;
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a_wh = 480;
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} else if(a_args.is_arg("-iPad")) {
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a_ww = 768;
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a_wh = 1024;
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} else if(a_args.is_arg("-iPhone4")) {
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a_ww = 640;
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a_wh = 960;
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} else if(a_args.is_arg("-SGS")) { //Samsung Galaxy S
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//a_ww = 320;
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//a_wh = 533;
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a_ww = 480;
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a_wh = 800;
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} else {
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if(a_args.find<unsigned int>("-ww",a_ww)) {
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if(a_args.find<unsigned int>("-wh",a_wh)) return;
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//A4 : we have ww but not wh :
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a_wh = (unsigned int)(a_ww*(29.7f/21.0f)); //29.7/21 = 1.414
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} else { //we don't have ww.
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if(a_args.find<unsigned int>("-wh",a_wh)) {
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//A4 : we have wh but not ww :
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a_ww = (unsigned int)(a_wh*(21.0f/29.7f));
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} else {
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//we have nothing. Take a ww of 700. With A4 wh is then 990.
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a_ww = 700;
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a_wh = (unsigned int)(a_ww*(29.7f/21.0f)); //29.7/21 = 1.414
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}
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}
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}
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if(a_args.is_arg("-land")){
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unsigned int tmp = a_ww;
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a_ww = a_wh;
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a_wh = tmp;
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}
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}
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}
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#endif
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