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#1058. XMP spec chapter B.4 (page 42) the xml:lang qualifier is to be compared case insensitive.

Browse Source 
https://www.adobe.com/content/dam/Adobe/en/devnet/xmp/pdfs/XMPSpecificationPart1.pdf
This commit is contained in:
Robin Mills 2015-04-19 18:44:50 +00:00
parent 228861d850
commit 32f7d1de65
1 changed files with 22 additions and 1 deletions
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23
include/exiv2/value.hpp
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@ -871,6 +871,27 @@ namespace Exiv2 {
}; // class XmpArrayValue
/*!
@brief %LangAltValueComparison
#1058
https://www.adobe.com/content/dam/Adobe/en/devnet/xmp/pdfs/XMPSpecificationPart1.pdf
XMP spec chapter B.4 (page 42) the xml:lang qualifier is to be compared case insensitive.
*/
struct LangAltValueComparator {
bool operator() (const std::string& str1, const std::string& str2) const
{
bool result = str1.size() != str2.size();
for (std::string::const_iterator c1 = str1.begin()
, c2 = str2.begin()
; result && c1 != str1.end()
; ++c1, ++c2) {
result = tolower(*c1) != tolower(*c2);
}
return result;
}
};
/*!
@brief %Value type for XMP language alternative properties.
@ -949,7 +970,7 @@ namespace Exiv2 {
public:
//! Type used to store language alternative arrays.
typedef std::map<std::string, std::string> ValueType;
typedef std::map<std::string, std::string,LangAltValueComparator> ValueType;
// DATA
/*!
@brief Map to store the language alternative values. The language