1 #ifndef DYNAMIC_DEPTH_INTERNAL_XMPMETA_XML_DESERIALIZER_H_  // NOLINT
2 #define DYNAMIC_DEPTH_INTERNAL_XMPMETA_XML_DESERIALIZER_H_  // NOLINT
3 
4 #include <memory>
5 #include <string>
6 #include <vector>
7 
8 #include "base/integral_types.h"
9 #include "base/port.h"
10 
11 namespace dynamic_depth {
12 namespace xmpmeta {
13 namespace xml {
14 
15 // Performs deserialization.
16 // Example:
17 //   Deserializer deserializer();
18 //   string revision;
19 //   deserializer.ParseString("Revision", &revision);
20 class Deserializer {
21  public:
~Deserializer()22   virtual ~Deserializer() {}
23 
24   // Returns a Deserializer.
25   // child_name is the name of the next node to deserialize.
26   virtual std::unique_ptr<Deserializer> CreateDeserializer(
27       const string& prefix, const string& child_name) const = 0;
28 
29   // Returns a Deserializer from a list element node.
30   virtual std::unique_ptr<Deserializer> CreateDeserializerFromListElementAt(
31       const string& prefix, const string& list_name, int index) const = 0;
32 
33   // Parsers for properties with the given prefix.
34   // Parses a node such as <NodeName Prefix:Name="Value" />
35   virtual bool ParseBase64(const string& prefix, const string& name,
36                            string* value) const = 0;
37   virtual bool ParseIntArrayBase64(const string& prefix, const string& name,
38                                    std::vector<int>* values) const = 0;
39   virtual bool ParseFloatArrayBase64(const string& prefix, const string& name,
40                                      std::vector<float>* values) const = 0;
41   virtual bool ParseDoubleArrayBase64(const string& prefix, const string& name,
42                                       std::vector<double>* values) const = 0;
43   virtual bool ParseBoolean(const string& prefix, const string& name,
44                             bool* value) const = 0;
45   virtual bool ParseInt(const string& prefix, const string& name,
46                         int* value) const = 0;
47   virtual bool ParseFloat(const string& prefix, const string& name,
48                           float* value) const = 0;
49   virtual bool ParseDouble(const string& prefix, const string& name,
50                            double* value) const = 0;
51   virtual bool ParseLong(const string& prefix, const string& name,
52                          int64* value) const = 0;
53   virtual bool ParseString(const string& prefix, const string& name,
54                            string* value) const = 0;
55 
56   // Parsers for arrays.
57   virtual bool ParseIntArray(const string& prefix, const string& list_name,
58                              std::vector<int>* values) const = 0;
59   virtual bool ParseDoubleArray(const string& prefix, const string& list_name,
60                                 std::vector<double>* values) const = 0;
61 };
62 
63 }  // namespace xml
64 }  // namespace xmpmeta
65 }  // namespace dynamic_depth
66 
67 #endif // DYNAMIC_DEPTH_INTERNAL_XMPMETA_XML_DESERIALIZER_H_  // NOLINT
68