[LyX/master] Store InsetListingsParams in a vector of pairs, not a map, since order of insertion matters.

[Juergen Spitzmueller]

commit ef05f7cca9ed6a5c5a8ddab579c4fe5947cd10ae
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Tue May 6 20:22:25 2014 +0200

    Store InsetListingsParams in a vector of pairs, not a map, since order of 
insertion matters.
    
    Fixes: #8144, #5203.

diff --git a/src/insets/InsetListingsParams.cpp 
b/src/insets/InsetListingsParams.cpp
index 62c1dbe..572a806 100644
--- a/src/insets/InsetListingsParams.cpp
+++ b/src/insets/InsetListingsParams.cpp
@@ -726,11 +726,11 @@ void InsetListingsParams::read(Lexer & lex)
 string InsetListingsParams::params(string const & sep) const
 {
        string par;
-       for (map<string, string>::const_iterator it = params_.begin();
-               it != params_.end(); ++it) {
+       keyValuePair::const_iterator it = params_.begin();
+       for (; it != params_.end(); ++it) {
                if (!par.empty())
                        par += sep;
-               // key=value,key=value1 is stored in params_ as 
key=value,key_=value1. 
+               // key=value,key=value1 is stored in params_ as 
key=value,key_=value1.
                if (it->second.empty())
                        par += rtrim(it->first, "_");
                else
@@ -740,6 +740,28 @@ string InsetListingsParams::params(string const & sep) 
const
 }
 
 
+bool InsetListingsParams::hasParam(string const & key) const
+{
+       keyValuePair::const_iterator it = params_.begin();
+       for (; it != params_.end(); ++it) {
+               if (it->first == key)
+                       return true;
+       }
+       return false;
+}
+
+
+string InsetListingsParams::getValue(string const & key) const
+{
+       keyValuePair::const_iterator it = params_.begin();
+       for (; it != params_.end(); ++it) {
+               if (it->first == key)
+                       return it->second;
+       }
+       return string();
+}
+
+
 void InsetListingsParams::addParam(string const & key, 
                string const & value, bool replace)
 {
@@ -748,19 +770,19 @@ void InsetListingsParams::addParam(string const & key,
 
        // duplicate parameters!
        string keyname = key;
-       if (!replace && params_.find(key) != params_.end())
+       if (!replace && hasParam(key))
                // key=value,key=value1 is allowed in listings
                // use key_, key__, key___ etc to avoid name conflict
-               while (params_.find(keyname += '_') != params_.end()) { }
+               while (hasParam(keyname += '_')) { }
        // check onoff flag
        // onoff parameter with value false
        if (!par_validator)
                par_validator = new ParValidator;
        if (par_validator->onoff(key) && (value == "false" || value == 
"{false}"))
-               params_[keyname] = string();
+               params_.push_back(make_pair(keyname, string()));
        // if the parameter is surrounded with {}, good
        else if (prefixIs(value, "{") && suffixIs(value, "}"))
-               params_[keyname] = value;
+               params_.push_back(make_pair(keyname, value));
        // otherwise, check if {} is needed. Add {} to all values with
        // non-ascii/number characters, just to be safe
        else {
@@ -771,9 +793,9 @@ void InsetListingsParams::addParam(string const & key,
                                break;
                        }
                if (has_special_char)
-                       params_[keyname] = "{" + value + "}";
+                       params_.push_back(make_pair(keyname, "{" + value + 
"}"));
                else
-                       params_[keyname] = value;
+                       params_.push_back(make_pair(keyname, value));
        }
 }
 
@@ -862,15 +884,14 @@ void InsetListingsParams::fromEncodedString(string const 
& in)
 
 bool InsetListingsParams::isFloat() const
 {
-       return params_.find("float") != params_.end();
+       return hasParam("float");
 }
 
 
 string InsetListingsParams::getParamValue(string const & param) const
 {
        // is this parameter defined?
-       map<string, string>::const_iterator it = params_.find(param);
-       string par = (it == params_.end()) ? string() : it->second;
+       string par = (hasParam(param)) ? getValue(param) : string();
        if (prefixIs(par, "{") && suffixIs(par, "}"))
                return par.substr(1, par.size() - 2);
        else
@@ -883,9 +904,11 @@ docstring InsetListingsParams::validate() const
        docstring msg;
        if (!par_validator)
                par_validator = new ParValidator;
-       for (map<string, string>::const_iterator it = params_.begin();
-               it != params_.end(); ++it) {
-               msg = par_validator->validate(it->first, it->second);
+       // return msg for first key=value pair which is incomplete or has an 
error
+       keyValuePair::const_iterator it = params_.begin();
+       for (; it != params_.end(); ++it) {
+               // key trimmed
+               msg = par_validator->validate(rtrim(it->first, "_"), 
it->second);
                if (!msg.empty())
                        return msg;
        }
diff --git a/src/insets/InsetListingsParams.h b/src/insets/InsetListingsParams.h
index 6c2d3f2..c956643 100644
--- a/src/insets/InsetListingsParams.h
+++ b/src/insets/InsetListingsParams.h
@@ -83,8 +83,15 @@ private:
        /// inline or normal listings
        bool inline_;
 
+       /// Do we have a param with the given \c key?
+       bool hasParam(std::string const & key) const;
+       /// return the value for the given \c key, if avaible, else empty string
+       std::string getValue(std::string const & key) const;
+
        /// key-value pairs of the parameters
-       std::map<std::string, std::string> params_;
+       // Use a vector of pairs in order to maintain the order of insertion.
+       typedef std::vector<std::pair<std::string, std::string> > keyValuePair;
+       keyValuePair params_;
 
        /// collapsable status
        InsetCollapsable::CollapseStatus status_;