Gabriele Cosmo
96 lines
2.4 KiB
Plaintext
96 lines
2.4 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_fmanip
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#define tools_fmanip
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#include "file"
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#include "sep"
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#include "sout"
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#include <ostream>
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namespace tools {
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inline bool find_with_dirs(std::ostream& a_out,
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const std::vector<std::string>& a_dirs,
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const std::string& a_file,
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std::string& a_path,
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bool a_verbose = false ) {
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std::vector<std::string>::const_iterator it;
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for(it=a_dirs.begin();it!=a_dirs.end();++it) {
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if((*it).empty()) {
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// with a "" in dirs, this case could solve :
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// - a_file in the current directory.
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// - a_file with an absolute path name.
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a_path = a_file; //may be an absolute file name.
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} else {
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a_path = *it;
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a_path += sep();
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a_path += a_file;
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}
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if(a_verbose) {
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a_out << "find_with_dirs :"
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<< " look for " << sout(a_path) << " ..."
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<< std::endl;
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}
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if(file::exists(a_path)) {
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if(a_verbose) {
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a_out << "find_with_dirs :"
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<< " found " << sout(a_path) << "."
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<< std::endl;
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}
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return true;
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}
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}
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a_path.clear();
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if(a_verbose) {
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a_out << "find_with_dirs :"
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<< " " << sout(a_file) << " not found."
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<< std::endl;
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}
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return false;
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}
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}
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#include "system"
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namespace tools {
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inline bool find_with_env(std::ostream& a_out,
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const std::string& a_env,
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const std::string& a_file,
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std::string& a_path,
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bool a_verbose = false ) {
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std::string PATH;
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if(!get_env(a_env,PATH)) {
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//look for a a_file in current directory.
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if(file::exists(a_file)) {
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//a_out << "tools::find_with_env :"
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// << " env variable " << sout(a_env) << " not defined, but file " << sout(a_file) << " exists."
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// << std::endl;
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a_path = a_file;
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return true;
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}
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a_out << "tools::find_with_env : env variable " << sout(a_env) << " not defined." << std::endl;
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a_path.clear();
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return false;
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}
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if(a_verbose) {
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a_out << "find_with_env : env " << sout(a_env) << " is " << sout(PATH) << std::endl;
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}
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std::vector<std::string> dirs;
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words(PATH,psep(),false,dirs); //or true ?
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return find_with_dirs(a_out,dirs,a_file,a_path,a_verbose);
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}
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}
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#endif
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