Gabriele Cosmo
57 lines
1.3 KiB
Plaintext
57 lines
1.3 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_path_env
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#define tools_path_env
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#include "put_env"
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#include "num2s"
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#include "words"
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#include "sep"
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#include "vmanip"
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namespace tools {
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inline bool env_append(const std::string& a_env,const std::string& a_sep,const std::vector<std::string>& a_vals){
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std::string env_value;
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if(is_env(a_env)) {
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if(!get_env(a_env,env_value)) return false;
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}
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{std::vector<std::string>::const_iterator it;
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for(it=a_vals.begin();it!=a_vals.end();++it) {
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const std::string& value = *it;
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if(value.empty()) continue;
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if(env_value.size()) {
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std::vector<std::string> ws;
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words(env_value,a_sep,false,ws);
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// Remove existing one, so that value be put at end.
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remove(ws,value);
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if(!nums2s<std::string>(ws,env_value,a_sep)) {}
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}
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if(env_value.size()) env_value += a_sep;
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env_value += value;
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}}
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if(!put_env(a_env,env_value)) return false;
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return true;
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}
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inline bool env_path_append(const std::string& a_env,const std::vector<std::string>& a_paths){
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return env_append(a_env,psep(),a_paths);
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}
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inline bool env_append_path(const std::string& a_env,const std::string& a_path){
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std::vector<std::string> v;
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v.push_back(a_path);
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return env_append(a_env,psep(),v);
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}
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}
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#endif
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