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Extracted class JsonValue

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This commit is contained in:
Benoît Blanchon
2014-06-27 13:42:26 +02:00
parent dd8baea373
commit 0240270492
8 changed files with 133 additions and 94 deletions
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35
JsonGeneratorTests/JsonArray.h
View File

@@ -19,30 +19,30 @@ public:
void add(const char* value)
{
JsonValueContent v;
v.string = value;
addItem(JSON_STRING, v);
addItem(JsonValue(value));
}
void add(double value)
{
JsonValueContent v;
v.number = value;
addItem(JSON_NUMBER, v);
addItem(JsonValue(value));
}
void add(bool value)
{
JsonValueContent v;
v.boolean = value;
addItem(JSON_BOOLEAN, v);
addItem(JsonValue(value));
}
void add(JsonObjectBase& value)
{
JsonValueContent v;
v.object = &value;
addItem(JSON_OBJECT, v);
addItem(JsonValue(value));
}
void addItem(JsonValue value)
{
if (itemCount >= N) return;
items[itemCount] = value;
itemCount++;
}
using JsonObjectBase::writeTo;
@@ -58,19 +58,10 @@ private:
for (int i = 0; i < itemCount; i++)
{
if (i>0) sb.append(",");
writeValueTo(items[i], sb);
items[i].writeTo(sb);
}
sb.append("]");
}
void addItem(JsonValueType type, JsonValueContent content)
{
if (itemCount >= N) return;
items[itemCount].type = type;
items[itemCount].content = content;
itemCount++;
}
};

3
JsonGeneratorTests/JsonGeneratorTests.vcxproj
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@@ -84,7 +84,7 @@
<ItemGroup>
<ClCompile Include="JsonArrayTests.cpp" />
<ClCompile Include="JsonHashTableTests.cpp" />
<ClCompile Include="JsonObjectBase.cpp" />
<ClCompile Include="JsonValue.cpp" />
<ClCompile Include="StringBuilder.cpp" />
<ClCompile Include="StringBuilderAppendEscapedTests.cpp" />
<ClCompile Include="StringBuilderAppendTests.cpp" />
@@ -93,6 +93,7 @@
<ClInclude Include="JsonArray.h" />
<ClInclude Include="JsonHashTable.h" />
<ClInclude Include="JsonObjectBase.h" />
<ClInclude Include="JsonValue.h" />
<ClInclude Include="StringBuilder.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

9
JsonGeneratorTests/JsonGeneratorTests.vcxproj.filters
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@@ -21,9 +21,6 @@
<ClCompile Include="StringBuilder.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="JsonObjectBase.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="StringBuilderAppendEscapedTests.cpp">
<Filter>Source Files</Filter>
</ClCompile>
@@ -33,6 +30,9 @@
<ClCompile Include="JsonHashTableTests.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="JsonValue.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="JsonArray.h">
@@ -47,5 +47,8 @@
<ClInclude Include="JsonHashTable.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="JsonValue.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>

25
JsonGeneratorTests/JsonHashTable.h
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@@ -19,9 +19,16 @@ public:
void add(const char* key, const char* value)
{
JsonValueContent v;
v.string = value;
addItem(key, JSON_STRING, v);
addItem(key, JsonValue(value));
}
void addItem(const char* key, JsonValue value)
{
if (itemCount >= N) return;
items[itemCount].key = key;
items[itemCount].value = value;
itemCount++;
}
using JsonObjectBase::writeTo;
@@ -46,20 +53,10 @@ private:
if (i>0) sb.append(",");
sb.appendEscaped(items[i].key);
sb.append(":");
writeValueTo(items[i].value, sb);
items[i].value.writeTo(sb);
}
sb.append("}");
}
void addItem(const char* key, JsonValueType type, JsonValueContent content)
{
if (itemCount >= N) return;
items[itemCount].key = key;
items[itemCount].value.type = type;
items[itemCount].value.content = content;
itemCount++;
}
};

26
JsonGeneratorTests/JsonObjectBase.cpp
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@@ -1,26 +0,0 @@
#include "JsonObjectBase.h"
void JsonObjectBase::writeValueTo(JsonValue& obj, StringBuilder& sb)
{
switch (obj.type)
{
case JSON_STRING:
sb.appendEscaped(obj.content.string);
break;
case JSON_NUMBER:
sb.append(obj.content.number);
break;
case JSON_BOOLEAN:
sb.append(obj.content.boolean ? "true" : "false");
break;
case JSON_OBJECT:
if (obj.content.object)
obj.content.object->writeTo(sb);
else
sb.append("null");
break;
}
}

28
JsonGeneratorTests/JsonObjectBase.h
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@@ -5,7 +5,7 @@
#pragma once
#include "StringBuilder.h"
#include "JsonValue.h"
class JsonObjectBase
{
@@ -17,32 +17,6 @@ public:
writeTo(sb);
}
protected:
enum JsonValueType
{
JSON_STRING,
JSON_NUMBER,
JSON_BOOLEAN,
JSON_OBJECT,
};
union JsonValueContent
{
const char* string;
double number;
bool boolean;
JsonObjectBase* object;
};
struct JsonValue
{
JsonValueType type;
JsonValueContent content;
};
void writeValueTo(JsonValue& obj, StringBuilder& sb);
virtual void writeTo(StringBuilder& sb) = 0;
};

32
JsonGeneratorTests/JsonValue.cpp Normal file
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@@ -0,0 +1,32 @@
/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/
#include "JsonValue.h"
#include "JsonObjectBase.h"
void JsonValue::writeTo(StringBuilder& sb)
{
switch (type)
{
case JSON_STRING:
sb.appendEscaped(content.string);
break;
case JSON_NUMBER:
sb.append(content.number);
break;
case JSON_BOOLEAN:
sb.append(content.boolean ? "true" : "false");
break;
case JSON_OBJECT:
if (content.object)
((JsonObjectBase*)content.object)->writeTo(sb);
else
sb.append("null");
break;
}
}

67
JsonGeneratorTests/JsonValue.h Normal file
View File

@@ -0,0 +1,67 @@
/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/
#pragma once
#include "StringBuilder.h"
class JsonObjectBase;
class JsonValue
{
public:
JsonValue()
{
}
JsonValue(const char* value)
: type(JSON_STRING)
{
content.string = value;
}
JsonValue(double value)
: type(JSON_NUMBER)
{
content.number = value;
}
JsonValue(bool value)
: type(JSON_BOOLEAN)
{
content.boolean = value;
}
JsonValue(JsonObjectBase& value)
: type(JSON_OBJECT)
{
content.object = &value;
}
void writeTo(StringBuilder& sb);
private:
enum Type
{
JSON_STRING,
JSON_NUMBER,
JSON_BOOLEAN,
JSON_OBJECT,
};
union Content
{
const char* string;
double number;
bool boolean;
JsonObjectBase* object;
};
Type type;
Content content;
};