8 // Loads an std::vector<T> of size num_elements from a file.
10 static void LoadStructVector(FILE *src_file, size_t num_elems, std::vector<T>& dest)
12 size_t structsread = 0;
13 dest.resize(num_elems);
14 structsread = fread(dest.data(), sizeof(T), num_elems, src_file);
15 if (structsread != num_elems)
16 Fatal("Only read %u structs (expected %u)!", structsread, num_elems);
19 // Saves an std::vector<T> to a file. Size must be saves separately.
21 static void SaveStructVector(FILE *dst_file, std::vector<T>& src)
24 written = fwrite(src.data(), sizeof(T), src.size(), dst_file);
25 if (written != src.size())
26 Fatal("Only wrote %u structs (expected %u)!", written, src.size());
29 void Document::Save(const string & filename)
31 Debug("Saving document to file \"%s\"...", filename.c_str());
32 FILE * file = fopen(filename.c_str(), "w");
34 Fatal("Couldn't open file \"%s\" - %s", filename.c_str(), strerror(errno));
37 Debug("Number of objects (%u)...", ObjectCount());
38 written = fwrite(&m_count, sizeof(m_count), 1, file);
40 Fatal("Failed to write number of objects!");
42 Debug("Object types...");
43 SaveStructVector<ObjectType>(file, m_objects.types);
45 Debug("Object bounds...");
46 SaveStructVector<Rect>(file, m_objects.bounds);
48 int err = fclose(file);
50 Fatal("Failed to close file \"%s\" - %s", filename.c_str(), strerror(err));
52 Debug("Successfully saved %u objects to \"%s\"", ObjectCount(), filename.c_str());
55 void Document::Load(const string & filename)
57 m_objects.bounds.clear();
61 Debug("Loaded empty document.");
64 Debug("Loading document from file \"%s\"", filename.c_str());
65 FILE * file = fopen(filename.c_str(), "r");
67 Fatal("Couldn't open file \"%s\"", filename.c_str(), strerror(errno));
70 read = fread(&m_count, sizeof(m_count), 1, file);
72 Fatal("Failed to read number of objects!");
73 Debug("Number of objects: %u", ObjectCount());
75 Debug("Object types...");
76 LoadStructVector<ObjectType>(file, ObjectCount(), m_objects.types);
78 Debug("Object bounds...");
79 LoadStructVector<Rect>(file, ObjectCount(), m_objects.bounds);
81 Debug("Successfully loaded %u objects from \"%s\"", ObjectCount(), filename.c_str());
84 void Document::Add(ObjectType type, const Rect & bounds)
86 m_objects.types.push_back(type);
87 m_objects.bounds.push_back(bounds);
91 void Document::DebugDumpObjects()
93 Debug("Objects for Document %p are:", this);
94 for (unsigned id = 0; id < ObjectCount(); ++id)
96 Debug("%u. \tType: %u\tBounds: %s", id, m_objects.types[id], m_objects.bounds[id].Str().c_str());
100 bool Document::operator==(const Document & equ) const
102 return (ObjectCount() == equ.ObjectCount() && memcmp(m_objects.bounds.data(), equ.m_objects.bounds.data(), ObjectCount() * sizeof(Rect)) == 0);