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tagparser
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Use vector for getting/setting multiple values

This commit is contained in:
Martchus 2016-08-14 22:50:45 +02:00
parent 4335ba724b
commit 334f9f9c60
3 changed files with 14 additions and 15 deletions
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19
fieldbasedtag.h
View File

@ -5,7 +5,6 @@
#include <map>
#include <functional>
#include <initializer_list>
namespace Media {
@ -30,12 +29,12 @@ public:
virtual const TagValue &value(const typename FieldType::identifierType &id) const;
const TagValue &value(KnownField field) const;
std::list<const TagValue *> values(const typename FieldType::identifierType &id) const;
std::list<const TagValue *> values(KnownField field) const;
std::vector<const TagValue *> values(const typename FieldType::identifierType &id) const;
std::vector<const TagValue *> values(KnownField field) const;
virtual bool setValue(const typename FieldType::identifierType &id, const TagValue &value);
bool setValue(KnownField field, const TagValue &value);
bool setValues(const typename FieldType::identifierType &id, std::initializer_list<TagValue> values);
bool setValues(KnownField field, std::initializer_list<TagValue> values);
bool setValues(const typename FieldType::identifierType &id, const std::vector<TagValue> &values);
bool setValues(KnownField field, const std::vector<TagValue> &values);
bool hasField(KnownField field) const;
virtual bool hasField(const typename FieldType::identifierType &id) const;
void removeAllFields();
@ -99,10 +98,10 @@ inline const TagValue &FieldMapBasedTag<FieldType, Compare>::value(KnownField fi
* \sa Tag::values()
*/
template <class FieldType, class Compare>
inline std::list<const TagValue *> FieldMapBasedTag<FieldType, Compare>::values(const typename FieldType::identifierType &id) const
inline std::vector<const TagValue *> FieldMapBasedTag<FieldType, Compare>::values(const typename FieldType::identifierType &id) const
{
auto range = m_fields.equal_range(id);
std::list<const TagValue *> values;
std::vector<const TagValue *> values;
for(auto i = range.first; i != range.second; ++i) {
if(!i->second.value().isEmpty()) {
values.push_back(&i->second.value());
@ -112,7 +111,7 @@ inline std::list<const TagValue *> FieldMapBasedTag<FieldType, Compare>::values(
}
template <class FieldType, class Compare>
inline std::list<const TagValue *> FieldMapBasedTag<FieldType, Compare>::values(KnownField field) const
inline std::vector<const TagValue *> FieldMapBasedTag<FieldType, Compare>::values(KnownField field) const
{
return values(fieldId(field));
}
@ -146,7 +145,7 @@ bool FieldMapBasedTag<FieldType, Compare>::setValue(const typename FieldType::id
* \sa Tag::setValues()
*/
template <class FieldType, class Compare>
bool FieldMapBasedTag<FieldType, Compare>::setValues(const typename FieldType::identifierType &id, std::initializer_list<TagValue> values)
bool FieldMapBasedTag<FieldType, Compare>::setValues(const typename FieldType::identifierType &id, const std::vector<TagValue> &values)
{
auto valuesIterator = values.begin();
auto range = m_fields.equal_range(id);
@ -171,7 +170,7 @@ bool FieldMapBasedTag<FieldType, Compare>::setValues(const typename FieldType::i
* method will replace all currently assigned values with the specified \a values.
*/
template <class FieldType, class Compare>
bool FieldMapBasedTag<FieldType, Compare>::setValues(KnownField field, std::initializer_list<TagValue> values)
bool FieldMapBasedTag<FieldType, Compare>::setValues(KnownField field, const std::vector<TagValue> &values)
{
return setValues(fieldId(field), values);
}

6
tag.cpp
View File

@ -50,9 +50,9 @@ string Tag::toString() const
* - However, the default implementation just returns the first value assuming
* multiple values per field are not supported by the tag.
*/
std::list<const TagValue *> Tag::values(KnownField field) const
std::vector<const TagValue *> Tag::values(KnownField field) const
{
std::list<const TagValue *> values;
std::vector<const TagValue *> values;
const TagValue &v = value(field);
if(!v.isEmpty()) {
values.push_back(&v);
@ -68,7 +68,7 @@ std::list<const TagValue *> Tag::values(KnownField field) const
* - However, the default implementation just sets the first value and discards additional values assuming
* multiple values per field are not supported by the tag.
*/
bool Tag::setValues(KnownField field, std::initializer_list<TagValue> values)
bool Tag::setValues(KnownField field, const std::vector<TagValue> &values)
{
return setValue(field, values.size() ? *values.begin() : TagValue());
}

4
tag.h
View File

@ -107,9 +107,9 @@ public:
virtual TagTextEncoding proposedTextEncoding() const;
virtual bool canEncodingBeUsed(TagTextEncoding encoding) const;
virtual const TagValue &value(KnownField field) const = 0;
virtual std::list<const TagValue *> values(KnownField field) const;
virtual std::vector<const TagValue *> values(KnownField field) const;
virtual bool setValue(KnownField field, const TagValue &value) = 0;
virtual bool setValues(KnownField field, std::initializer_list<TagValue> values);
virtual bool setValues(KnownField field, const std::vector<TagValue> &values);
virtual bool hasField(KnownField field) const = 0;
virtual void removeAllFields() = 0;
const std::string &version() const;