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optimized defaults usage (definition value replaces first star in default circuit/name/comment)

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This commit is contained in:
john30
2016-11-19 12:58:08 +01:00
parent ba2cfd157b
commit 7026c9cadd
1 changed files with 22 additions and 15 deletions
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src/lib/ebus/message.cpp
+22 -15
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@@ -110,15 +110,30 @@ Message::Message(const string circuit, const string name,
* @param value the value to check.
* @param defaults a @a vector of defaults, or NULL.
* @param pos the position in defaults.
* @param replaceStar whether to replace a star in the default with the value.
* If there is no star in the default and the value is empty, use the complete
* default instead.
* @param required don't combine the value with the default when the value is
* empty and @p replaceStar is @p true.
* @return the default if available and value is empty, or the value.
*/
string getDefault(const string value, vector<string>* defaults, size_t pos)
string getDefault(const string value, vector<string>* defaults, size_t pos, bool replaceStar=false, bool required=false)
{
if (value.length() > 0 || defaults == NULL || pos >= defaults->size()) {
if (defaults == NULL || pos >= defaults->size()) {
return value;
}
return defaults->at(pos);
if (value.length()==0 && replaceStar && required) {
return value;
}
string defaultStr = defaults->at(pos);
if (!replaceStar || defaultStr.length()==0) {
return value.length()>0 ? value : defaultStr;
}
string::size_type insertPos = defaultStr.find('*');
if (insertPos==string::npos) {
return value.length()==0 ? defaultStr : value;
}
return defaultStr.substr(0, insertPos)+value+defaultStr.substr(insertPos+1);
}
result_t Message::parseId(string input, vector<unsigned char>& id)
@@ -197,27 +212,19 @@ result_t Message::create(vector<string>::iterator& it, const vector<string>::ite
}
}
string circuit = getDefault(*it++, defaults, defaultPos++); // [circuit]
string circuit = getDefault(*it++, defaults, defaultPos++, true); // [circuit]
if (it == end)
return RESULT_ERR_EOF;
string name = *it++; // name
string name = getDefault(*it++, defaults, defaultPos++, true, true); // name
if (it == end)
return RESULT_ERR_EOF;
if (name.length() == 0)
return RESULT_ERR_INVALID_ARG; // empty name
string defStr = getDefault("", defaults, defaultPos++);
if (defStr.length() > 0) {
name = defStr+name; // prefix default name
}
string comment = *it++; // [comment]
string comment = getDefault(*it++, defaults, defaultPos++, true); // [comment]
if (it == end)
return RESULT_ERR_EOF;
defStr = getDefault("", defaults, defaultPos++);
if (defStr.length() > 0) {
name = defStr+name; // prefix default comment
}
str = getDefault(*it++, defaults, defaultPos++).c_str(); // [QQ[;QQ]*]
if (it == end)