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add const char variation for getattr

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0x1d
2018-11-18 18:46:35 +01:00
parent dff4b63a58
commit 128004f35f
1 changed files with 57 additions and 23 deletions
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74
src/JsonStruct.h
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@@ -7,71 +7,105 @@
#include "SPIFFS.h" #include "SPIFFS.h"
#endif #endif
struct JsonStruct { struct JsonStruct
{
int valid = 0; int valid = 0;
// ------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------
virtual void mapJsonObject(JsonObject& json); virtual void mapJsonObject(JsonObject &json);
virtual void fromJsonObject(JsonObject& json); virtual void fromJsonObject(JsonObject &json);
virtual int verifyJsonObject(JsonObject& json){ virtual int verifyJsonObject(JsonObject &json)
{
return json.success(); return json.success();
}; };
String toJsonString(){ String toJsonString()
{
DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300)); DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300));
JsonObject& root = jsonBuffer.createObject(); JsonObject &root = jsonBuffer.createObject();
mapJsonObject(root); mapJsonObject(root);
String jsonString; String jsonString;
root.printTo(jsonString); root.printTo(jsonString);
return jsonString; return jsonString;
} }
String getAttrFromJson(JsonObject& json, const char* attr, String defautValue = ""){ String getAttrFromJson(JsonObject &json, const char *attr, String defautValue = "")
if(json.containsKey(String(attr))){ {
if (json.containsKey(String(attr)))
{
const char *value = json[attr]; const char *value = json[attr];
return String(value); return String(value);
} }
return defautValue; return defautValue;
} }
int getIntAttrFromJson(JsonObject& json, const char* attr, int defautValue = 0){ const char *getAttr(JsonObject &json, const char *attr, const char *defautValue = "")
if(json.containsKey(attr)){ {
if (json.containsKey(String(attr)))
{
const char *value = json[attr];
return value;
}
return defautValue;
}
String getStrAttrFromJson(JsonObject &json, const char *attr, String defautValue = "")
{
if (json.containsKey(String(attr)))
{
const char *value = json[attr];
return String(value);
}
return defautValue;
}
int getIntAttrFromJson(JsonObject &json, const char *attr, int defautValue = 0)
{
if (json.containsKey(attr))
{
return json[attr]; return json[attr];
} }
return defautValue; return defautValue;
} }
// Map a json object to this struct. // Map a json object to this struct.
// Parse a json string and map parsed object // Parse a json string and map parsed object
void fromJsonString(String& str){ void fromJsonString(String &str)
{
DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300)); DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300));
JsonObject& json = jsonBuffer.parseObject(str); JsonObject &json = jsonBuffer.parseObject(str);
valid = verifyJsonObject(json); valid = verifyJsonObject(json);
if(valid) { if (valid)
{
fromJsonObject(json); fromJsonObject(json);
} }
}; };
void fromFile(const char* path) { void fromFile(const char *path)
{
File configFile = SPIFFS.open(path, "r"); File configFile = SPIFFS.open(path, "r");
String cfgFileStr = configFile.readString(); String cfgFileStr = configFile.readString();
DynamicJsonBuffer jsonBuffer; DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.parseObject(cfgFileStr); JsonObject &json = jsonBuffer.parseObject(cfgFileStr);
valid = verifyJsonObject(json); valid = verifyJsonObject(json);
if(configFile) { if (configFile)
{
fromJsonObject(json); fromJsonObject(json);
} }
if(!valid){ if (!valid)
{
Serial.println("ERROR: read failed for " + String(path)); Serial.println("ERROR: read failed for " + String(path));
} }
configFile.close(); configFile.close();
} }
void saveFile(const char* path) { void saveFile(const char *path)
{
File configFile = SPIFFS.open(path, "w"); File configFile = SPIFFS.open(path, "w");
DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300)); DynamicJsonBuffer jsonBuffer(JSON_ARRAY_SIZE(300));
JsonObject& json = jsonBuffer.createObject(); JsonObject &json = jsonBuffer.createObject();
valid = configFile && verifyJsonObject(json); valid = configFile && verifyJsonObject(json);
if(valid){ if (valid)
{
mapJsonObject(json); mapJsonObject(json);
json.printTo(configFile); json.printTo(configFile);
} }