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Extracted class JsonHashTableBase to reduce the size of the code.

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This commit is contained in:
Benoît Blanchon
2014-07-08 13:27:29 +02:00
parent 6d3b70f4a3
commit bbc18b5ca4
7 changed files with 105 additions and 63 deletions
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5
JsonGenerator.cpp
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@@ -5,6 +5,7 @@
// This file is here to help the Arduino IDE find the .cpp files
#include "JsonGenerator/JsonValue.cpp"
#include "JsonGenerator/StringBuilder.cpp"
#include "JsonGenerator/EscapedString.cpp"
#include "JsonGenerator/JsonValue.cpp"
#include "JsonGenerator/JsonHashTableBase.cpp"
#include "JsonGenerator/StringBuilder.cpp"

61
JsonGenerator/JsonHashTable.h
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@@ -5,78 +5,23 @@
#pragma once
#include "EscapedString.h"
#include "JsonObjectBase.h"
#include "JsonHashTableBase.h"
namespace ArduinoJson
{
namespace Generator
{
template<int N>
class JsonHashTable : public JsonObjectBase
class JsonHashTable : public JsonHashTableBase
{
public:
JsonHashTable()
: JsonHashTableBase(items, N)
{
itemCount = 0;
}
template<typename T>
void add(const char* key, T value)
{
if (itemCount >= N) return;
items[itemCount].key.set(key);
items[itemCount].value.set(value);
itemCount++;
}
template<int DIGITS>
void add(const char* key, double value)
{
if (itemCount >= N) return;
items[itemCount].key.set(key);
items[itemCount].value.set<DIGITS>(value);
itemCount++;
}
using JsonObjectBase::printTo;
private:
struct KeyValuePair
{
Internals::EscapedString key;
Internals::JsonValue value;
};
KeyValuePair items[N];
int itemCount;
virtual size_t printTo(Print& p) const
{
size_t n = 0;
n += p.write('{');
for (int i = 0; i < itemCount; i++)
{
if (i > 0)
{
n += p.write(',');
}
n += items[i].key.printTo(p);
n += p.write(':');
n += items[i].value.printTo(p);
}
n += p.write('}');
return n;
}
};
}
}

26
JsonGenerator/JsonHashTableBase.cpp Normal file
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@@ -0,0 +1,26 @@
#include "JsonHashTable.h"
using namespace ArduinoJson::Generator;
size_t JsonHashTableBase::printTo(Print& p) const
{
size_t n = 0;
n += p.write('{');
for (int i = 0; i < itemCount; i++)
{
if (i > 0)
{
n += p.write(',');
}
n += items[i].key.printTo(p);
n += p.write(':');
n += items[i].value.printTo(p);
}
n += p.write('}');
return n;
}

62
JsonGenerator/JsonHashTableBase.h Normal file
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@@ -0,0 +1,62 @@
/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/
#pragma once
#include "JsonObjectBase.h"
#include "EscapedString.h"
namespace ArduinoJson
{
namespace Generator
{
class JsonHashTableBase : public JsonObjectBase
{
public:
template<typename T>
void add(const char* key, T value)
{
if (itemCount >= capacity) return;
items[itemCount].key.set(key);
items[itemCount].value.set(value);
itemCount++;
}
template<int DIGITS>
void add(const char* key, double value)
{
if (itemCount >= capacity) return;
items[itemCount].key.set(key);
items[itemCount].value.set<DIGITS>(value);
itemCount++;
}
using JsonObjectBase::printTo;
virtual size_t printTo(Print& p) const;
protected:
struct KeyValuePair
{
Internals::EscapedString key;
Internals::JsonValue value;
};
JsonHashTableBase(KeyValuePair* items, int capacity)
: items(items), capacity(capacity), itemCount(0)
{
}
private:
KeyValuePair* items;
int itemCount;
int capacity;
};
}
}

2
JsonGenerator/README.md
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@@ -164,4 +164,4 @@ This table is for an 8-bit Arduino, types would be bigger on a 32-bit processor.
| Type | Size in bytes |
| ---------------------- | ------------- |
| JsonArray&lt;N&gt; | 4 + 6 x N |
| JsonHashTable&lt;N&gt; | 4 + 8 x N |
| JsonHashTable&lt;N&gt; | 8 + 8 x N |

2
JsonGeneratorTests/JsonGeneratorTests.vcxproj
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@@ -85,6 +85,7 @@
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\JsonGenerator\EscapedString.cpp" />
<ClCompile Include="..\JsonGenerator\JsonHashTableBase.cpp" />
<ClCompile Include="..\JsonGenerator\JsonValue.cpp" />
<ClCompile Include="..\JsonGenerator\StringBuilder.cpp" />
<ClCompile Include="JsonArrayTests.cpp" />
@@ -97,6 +98,7 @@
<ClInclude Include="..\JsonGenerator\EscapedString.h" />
<ClInclude Include="..\JsonGenerator\JsonArray.h" />
<ClInclude Include="..\JsonGenerator\JsonHashTable.h" />
<ClInclude Include="..\JsonGenerator\JsonHashTableBase.h" />
<ClInclude Include="..\JsonGenerator\JsonObjectBase.h" />
<ClInclude Include="..\JsonGenerator\JsonValue.h" />
<ClInclude Include="..\JsonGenerator\Print.h" />

6
JsonGeneratorTests/JsonGeneratorTests.vcxproj.filters
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@@ -39,6 +39,9 @@
<ClCompile Include="..\JsonGenerator\EscapedString.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\JsonGenerator\JsonHashTableBase.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\JsonGenerator\JsonArray.h">
@@ -65,5 +68,8 @@
<ClInclude Include="..\JsonGenerator\EscapedString.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\JsonGenerator\JsonHashTableBase.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>