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AutoConnect/src/AutoConnectAux.cpp

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31 KiB

/**
* Implementation of AutoConnectAux class.
* @file AutoConnectAuxBasisImpl.h
* @author hieromon@gmail.com
* @version 0.9.7
* @date 2018-11-17
* @copyright MIT license.
*/
#include "AutoConnect.h"
#include "AutoConnectAux.h"
#include "AutoConnectElement.h"
#include "AutoConnectElementBasisImpl.h"
#ifdef AUTOCONNECT_USE_JSON
#include "AutoConnectElementJsonImpl.h"
#endif
/**
* Template for auxiliary page composed with AutoConnectAux of user sketch.
* The structure of the auxiliary page depends on this template for
* the purpose to be incorporated into the AutoConnect Menu.
* The page element implemented by AutoConnectElement is placed at the
* position of {{AUX_ELEMENT}} token. This token is contained in a
* <div> block with a class defined in 'base-panel' and is held by a
* <form> element with an ID '_aux'.
* The JavaScript that named 'sa' at the end of the template determines
* the behavior of AutoConnectSubmit.
*/
const char AutoConnectAux::_PAGE_AUX[] PROGMEM = {
"{{HEAD}}"
"<title>{{AUX_TITLE}}</title>"
"<style type=\"text/css\">"
"{{CSS_BASE}}"
"{{CSS_UL}}"
"{{CSS_INPUT_BUTTON}}"
"{{CSS_INPUT_TEXT}}"
"{{CSS_LUXBAR}}"
"</style>"
"</head>"
"<body style=\"padding-top:58px;\">"
"<div class=\"container\">"
"{{MENU_PRE}}"
"{{MENU_AUX}}"
"{{MENU_POST}}"
"<div class=\"base-panel\"><div class=\"aux-page\">"
"<form id='_aux' method=\"post\" onsubmit=\"return false;\">"
"<ul class=\"noorder\">"
"{{AUX_ELEMENT}}"
"</ul>"
"</form>"
"</div></div>"
"</div>"
"<script>"
"function _sa(url) {"
"var uri=document.createElement('input');"
"uri.setAttribute('type','hidden');"
"uri.setAttribute('name','" AUTOCONNECT_AUXURI_PARAM "');"
"uri.setAttribute('value','{{AUX_URI}}');"
"document.getElementById('_aux').appendChild(uri);"
"document.getElementById('_aux').action=url;"
"document.getElementById('_aux').submit();"
"}"
"</script>"
"</body>"
"</html>"
};
/**
* Destructs container of AutoConnectElement and release a unique
* pointer of AutoConnect instance.
*/
AutoConnectAux::~AutoConnectAux() {
_addonElm.clear();
_addonElm.swap(_addonElm);
if (_ac)
_ac.release();
}
/**
* Returns a null element as static storage.
* This static element is referred by invalid JSON data.
* @return A reference of a static element defined by name as null.
*/
AutoConnectElement& AutoConnectAux::_nullElement() {
static AutoConnectElement nullElement("", "");
return nullElement;
}
/**
* Add an AutoConnectElement
* @param addon A reference of AutoConnectElement.
*/
void AutoConnectAux::add(AutoConnectElement& addon) {
_addonElm.push_back(addon);
AC_DBG("%s placed on %s\n", addon.name.length() ? addon.name.c_str() : "*noname", uri());
}
/**
* Add an AutoConnectElement vector container to the AutoConnectAux page.
* @param addons AutoConnectElementVT collection.
*/
void AutoConnectAux::add(AutoConnectElementVT addons) {
for (AutoConnectElement& element : addons)
add(element);
}
/**
* Get already registered AutoConnectElement.
* @param name Element name
* @return A pointer to the registered AutoConnectElement.
*/
AutoConnectElement* AutoConnectAux::getElement(const String& name) {
for (AutoConnectElement& elm : _addonElm)
if (elm.name.equalsIgnoreCase(name))
return &elm;
AC_DBG("Element<%s> not registered\n", name.c_str());
return nullptr;
}
/**
* Releases the AutoConnectElements with the specified name from
* the AutoConnectAux page. Releases all AutoConnectElements with
* the same name in AutoConnectAux.
* @param name
* @return true The specified AutoConnectElements have been released.
* @return false The specified AutoConnectElement not found in AutoConnectAux.
*/
bool AutoConnectAux::release(const String& name) {
bool rc = false;
for (std::size_t n = 0; n < _addonElm.size(); n++) {
String elmName = _addonElm[n].get().name;
if (name.equalsIgnoreCase(elmName)) {
AC_DBG("%s release from %s\n", elmName.c_str(), uri());
_addonElm.erase(_addonElm.begin() + n);
rc = true;
}
}
return rc;
}
/**
* Set the value to specified element.
* @param name A string of element name to set the value.
* @param value Setting value. (String)
* @return true The value was set.
* @return false An element specified name is not registered,
* or its element value does not match storage type.
*/
bool AutoConnectAux::setElementValue(const String& name, const String value) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() != AC_Select) {
if (elm->typeOf() == AC_Checkbox) {
if (value == "checked") {
AutoConnectCheckbox* elmCheckbox = reinterpret_cast<AutoConnectCheckbox*>(elm);
elmCheckbox->checked = true;
}
}
else if (elm->typeOf() == AC_Radio) {
AutoConnectRadio* elmRadio = reinterpret_cast<AutoConnectRadio*>(elm);
elmRadio->check(value);
}
else
elm->value = value;
return true;
}
else
AC_DBG("Element<%s> value type mismatch\n", name.c_str());
}
return false;
}
/**
* Set the value to specified element.
* @param name A string of element name to set the value.
* @param value Setting value. (String)
* @return true The value was set.
* @return false An element specified name is not registered,
* or its element value must be array.
*/
bool AutoConnectAux::setElementValue(const String& name, std::vector<String> const& values) {
bool rc = false;
AutoConnectElement* elm = getElement(name);
if (elm) {
switch (elm->typeOf()) {
case AC_Radio: {
AutoConnectRadio* elmRadio = reinterpret_cast<AutoConnectRadio*>(elm);
elmRadio->empty();
for (String v : values)
elmRadio->add(v);
rc = true;
break;
}
case AC_Select: {
AutoConnectSelect* elmSelect = reinterpret_cast<AutoConnectSelect*>(elm);
elmSelect->empty();
for (String o : values)
elmSelect->add(o);
rc = true;
break;
}
default: {
AC_DBG("Element<%s> value type mismatch\n", name.c_str());
break;
}
}
}
return rc;
}
/**
* Concatenates subsequent AutoConnectAux pages starting from oneself
* to the chain list.
* AutoConnectAux is collected in the chain list and each object is
* chained by the "_next". AutoConnect follows the "_next" to manage
* auxiliary pages. The _concat function concatenates subsequent
* AutoConnectAuxs.
* @param aux A reference of AutoConnectAux.
*/
void AutoConnectAux::_concat(AutoConnectAux& aux) {
if (_next)
_next->_concat(aux);
else
_next.reset(&aux);
}
/**
* Register the AutoConnect that owns itself.
* AutoConenctAux needs to access the AutoConnect member. Also
* AutoConnectAux is cataloged by chain list. The _join function
* registers AutoConnect in the following AutoConnectAux chain list.
* @param ac A reference of AutoConnect.
*/
void AutoConnectAux::_join(AutoConnect& ac) {
_ac.reset(&ac);
// Chain to subsequent AutoConnectAux in the list.
if (_next)
_next->_join(ac);
}
/**
* Inject the <li> element depending on the "luxbar-item" attribute
* for implementing the AutoConnect menu.
* @param args A reference of PageArgument but it's only used for
* interface alignment and is not actually used.
* @return A concatenated string of <li> elements for the menu item of
* AutoConnect.
*/
const String AutoConnectAux::_injectMenu(PageArgument& args) {
String menuItem;
if (_menu)
menuItem = String(FPSTR("<li class=\"luxbar-item\"><a href=\"")) + String(_uri) + String("\">") + _title + String(FPSTR("</a></li>"));
if (_next)
menuItem += _next->_injectMenu(args);
return menuItem;
}
/**
* Insert the uri that caused the request to the aux.
*/
const String AutoConnectAux::_indicateUri(PageArgument& args) {
AC_UNUSED(args);
String lastUri = _uriStr;
lastUri.replace("/", "&#47;");
return lastUri;
}
/**
* Insert the token handler of PageBuilder. This handler inserts HTML
* elements generated by the whole AutoConnectElements to the auxiliary page.
* @param args A reference of PageArgument but unused.
* @return HTML string that should be inserted.
*/
const String AutoConnectAux::_insertElement(PageArgument& args) {
String body = String("");
if (_handler) {
if (_order & AC_EXIT_AHEAD) {
AC_DBG("CB in AHEAD %s\n", uri());
body += _handler(*this, args);
}
}
for (AutoConnectElement& addon : _addonElm)
body += addon.toHTML();
if (_handler) {
if (_order & AC_EXIT_LATER) {
AC_DBG("CB in LATER %s\n", uri());
body += _handler(*this, args);
}
}
return body;
}
/**
* Generate an auxiliary page assembled with the AutoConnectElement.
* This function is the core procedure of AutoConnectAux, and uses
* PageBuilder from the _PAGE_AUX template to build an AutoConnect
* menu and insert HTML elements. A template of an auxiliary page is
* fixed and its structure inherits from the AutoConnect.
* @param uri An uri of the auxiliary page.
* @return A PageElement of auxiliary page.
*/
PageElement* AutoConnectAux::_setupPage(const String& uri) {
PageElement* elm = nullptr;
if (_ac) {
if (uri != String(_uri)) {
if (_next) {
elm = _next->_setupPage(uri);
}
} else {
AutoConnect* mother = _ac.get();
// Overwrite actual AutoConnectMenu title to the Aux. page title
if (_title.length())
mother->_menuTitle = _title;
elm = new PageElement();
// Construct the auxiliary page
elm->setMold(_PAGE_AUX);
elm->addToken(String(FPSTR("HEAD")), std::bind(&AutoConnect::_token_HEAD, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("AUX_TITLE")), std::bind(&AutoConnectAux::_injectTitle, this, std::placeholders::_1));
elm->addToken(String(FPSTR("CSS_BASE")), std::bind(&AutoConnect::_token_CSS_BASE, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("CSS_UL")), std::bind(&AutoConnect::_token_CSS_UL, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("CSS_INPUT_BUTTON")), std::bind(&AutoConnect::_token_CSS_INPUT_BUTTON, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("CSS_INPUT_TEXT")), std::bind(&AutoConnect::_token_CSS_INPUT_TEXT, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("CSS_LUXBAR")), std::bind(&AutoConnect::_token_CSS_LUXBAR, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("MENU_PRE")), std::bind(&AutoConnect::_token_MENU_PRE, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("MENU_AUX")), std::bind(&AutoConnect::_token_MENU_AUX, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("MENU_POST")), std::bind(&AutoConnect::_token_MENU_POST, mother, std::placeholders::_1));
elm->addToken(String(FPSTR("AUX_URI")), std::bind(&AutoConnectAux::_indicateUri, this, std::placeholders::_1));
elm->addToken(String(FPSTR("AUX_ELEMENT")), std::bind(&AutoConnectAux::_insertElement, this, std::placeholders::_1));
}
}
return elm;
}
/**
* Store element values owned by AutoConnectAux that caused the request.
* Save the current arguments remaining in the Web server object when
* this function invoked.
* @param webServer A pointer to the class object of WebServerClass
*/
void AutoConnectAux::_storeElements(WebServerClass* webServer) {
for (AutoConnectElement& elm : _addonElm) {
// Overwrite the value of all cataloged AutoConnectElements with
// arguments inherited from the last http request.
// Relies on AutoConnectRadio, it restores to false at the being
// because the checkbox argument will not pass if it is not checked.
if (elm.typeOf() == AC_Checkbox)
reinterpret_cast<AutoConnectCheckbox&>(elm).checked = false;
// Seek by argument, store the value to its element.
for (int8_t n = 0; n < static_cast<int8_t>(webServer->args()); n++) {
if (webServer->argName(n).equalsIgnoreCase(elm.name)) {
String elmValue = webServer->arg(n);
if (elm.typeOf() == AC_Checkbox)
elmValue = "checked";
setElementValue(elm.name, elmValue);
}
}
}
}
#ifndef AUTOCONNECT_USE_JSON
/**
* Get AutoConnectButtonBasis element.
* @param name An element name.
* @return A reference of AutoConnectButton class.
*/
template<>
AutoConnectButtonBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Button)
return *(reinterpret_cast<AutoConnectButtonBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectButtonBasis&>(_nullElement());
}
/**
* Get AutoConnectCheckboxBasis element.
* @param name An element name.
* @return A reference of AutoConnectCheckbox class.
*/
template<>
AutoConnectCheckboxBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Checkbox)
return *(reinterpret_cast<AutoConnectCheckboxBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectCheckboxBasis&>(_nullElement());
}
/**
* Get AutoConnectInputBasis element.
* @param name An element name.
* @return A reference of AutoConnectInput class.
*/
template<>
AutoConnectInputBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Input)
return *(reinterpret_cast<AutoConnectInputBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectInputBasis&>(_nullElement());
}
/**
* Get AutoConnectRadioBasis element.
* @param name An element name.
* @return A reference of AutoConnectRadio class.
*/
template<>
AutoConnectRadioBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Radio)
return *(reinterpret_cast<AutoConnectRadioBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectRadioBasis&>(_nullElement());
}
/**
* Get AutoConnectSelectBasis element.
* @param name An element name.
* @return A reference of AutoConnectSelect class.
*/
template<>
AutoConnectSelectBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Select)
return *(reinterpret_cast<AutoConnectSelectBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectSelectBasis&>(_nullElement());
}
/**
* Get AutoConnectSubmitBasis element.
* @param name An element name.
* @return A reference of AutoConnectSubmit class.
*/
template<>
AutoConnectSubmitBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Submit)
return *(reinterpret_cast<AutoConnectSubmitBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectSubmitBasis&>(_nullElement());
}
/**
* Get AutoConnectTextBasis element.
* @param name An element name.
* @return A reference of AutoConnectText class.
*/
template<>
AutoConnectTextBasis& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Text)
return *(reinterpret_cast<AutoConnectTextBasis*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectTextBasis&>(_nullElement());
}
#else
/**
* Get AutoConnectButtonJson element.
* @param name An element name.
* @return A reference of AutoConnectButton class.
*/
template<>
AutoConnectButtonJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Button)
return *(reinterpret_cast<AutoConnectButtonJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectButtonJson&>(_nullElement());
}
/**
* Get AutoConnectCheckboxJson element.
* @param name An element name.
* @return A reference of AutoConnectCheckbox class.
*/
template<>
AutoConnectCheckboxJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Checkbox)
return *(reinterpret_cast<AutoConnectCheckboxJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectCheckboxJson&>(_nullElement());
}
/**
* Get AutoConnectInputJson element.
* @param name An element name.
* @return A reference of AutoConnectInput class.
*/
template<>
AutoConnectInputJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Input)
return *(reinterpret_cast<AutoConnectInputJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectInputJson&>(_nullElement());
}
/**
* Get AutoConnectRadioJson element.
* @param name An element name.
* @return A reference of AutoConnectRadio class.
*/
template<>
AutoConnectRadioJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Radio)
return *(reinterpret_cast<AutoConnectRadioJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectRadioJson&>(_nullElement());
}
/**
* Get AutoConnectSelectJson element.
* @param name An element name.
* @return A reference of AutoConnectSelect class.
*/
template<>
AutoConnectSelectJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Select)
return *(reinterpret_cast<AutoConnectSelectJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectSelectJson&>(_nullElement());
}
/**
* Get AutoConnectSubmitJson element.
* @param name An element name.
* @return A reference of AutoConnectSubmit class.
*/
template<>
AutoConnectSubmitJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Submit)
return *(reinterpret_cast<AutoConnectSubmitJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectSubmitJson&>(_nullElement());
}
/**
* Get AutoConnectTextJson element.
* @param name An element name.
* @return A reference of AutoConnectText class.
*/
template<>
AutoConnectTextJson& AutoConnectAux::getElement(const String& name) {
AutoConnectElement* elm = getElement(name);
if (elm) {
if (elm->typeOf() == AC_Text)
return *(reinterpret_cast<AutoConnectTextJson*>(elm));
else
AC_DBG("Element<%s> type mismatch<%d>\n", name.c_str(), elm->typeOf());
}
return reinterpret_cast<AutoConnectTextJson&>(_nullElement());
}
/**
* Load AutoConnectAux page from JSON description stored in the sketch.
* This function can load AutoConnectAux for multiple AUX pages written
* in JSON and is registered in AutoConnect.
* @param aux JSON description to be load.
* @return true Successfully loaded.
*/
bool AutoConnect::load(const String& aux) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jv = jsonBuffer.parse(aux);
return _load(jv);
}
/**
* Load AutoConnectAux page from JSON description stored in PROGMEM.
* This function can load AutoConnectAux for multiple AUX pages written
* in JSON and is registered in AutoConnect.
* @param aux JSON description to be load.
* @return true Successfully loaded.
*/
bool AutoConnect::load(const __FlashStringHelper* aux) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jv = jsonBuffer.parse(aux);
return _load(jv);
}
/**
* Load AutoConnectAux page from JSON description from the stream.
* This function can load AutoConnectAux for multiple AUX pages written
* in JSON and is registered in AutoConnect.
* @param aux Stream for read AutoConnectAux elements.
* @return true Successfully loaded.
*/
bool AutoConnect::load(Stream& aux) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jv = jsonBuffer.parse(aux);
return _load(jv);
}
/**
* Load AutoConnectAux page from JSON object.
* @param aux A JsonVariant object that stores each element of AutoConnectAuxl.
* @return true Successfully loaded.
*/
6 years ago
bool AutoConnect::_load(JsonVariant& auxJson) {
bool rc = auxJson.success();
if (rc) {
6 years ago
if (auxJson.is<JsonArray>()) {
JsonArray& jb = auxJson.as<JsonArray>();
for (JsonObject& auxJson : jb) {
AutoConnectAux* newAux = new AutoConnectAux;
if (newAux->_load(auxJson))
join(*newAux);
else {
delete newAux;
rc = false;
break;
}
}
}
else {
6 years ago
JsonObject& jb = auxJson.as<JsonObject>();
AutoConnectAux* newAux = new AutoConnectAux;
if (newAux->_load(jb))
join(*newAux);
else {
delete newAux;
rc = false;
}
}
}
else {
AC_DBG("JSON parse error\n");
}
return rc;
}
/**
* Create an instance from the AutoConnectElement of the JSON object.
* @param json A reference of JSON
* @return A pointer of created AutoConnectElement instance.
*/
AutoConnectElement* AutoConnectAux::_createElement(const JsonObject& json) {
AutoConnectElement* elm = nullptr;
String type = json.get<String>(F(AUTOCONNECT_JSON_KEY_TYPE));
switch (_asElementType(type)) {
case AC_Element:
elm = new AutoConnectElement;
break;
case AC_Button: {
AutoConnectButton* cert_elm = new AutoConnectButton;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Checkbox: {
AutoConnectCheckbox* cert_elm = new AutoConnectCheckbox;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Input: {
AutoConnectInput* cert_elm = new AutoConnectInput;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Radio: {
AutoConnectRadio* cert_elm = new AutoConnectRadio;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Select: {
AutoConnectSelect* cert_elm = new AutoConnectSelect;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Submit: {
AutoConnectSubmit* cert_elm = new AutoConnectSubmit;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
case AC_Text: {
AutoConnectText* cert_elm = new AutoConnectText;
return reinterpret_cast<AutoConnectElement*>(cert_elm);
}
}
return elm;
}
/**
* Constructs an AutoConnectAux instance by reading all the
* AutoConnectElements of the specified URI from the elements defined
* JSON stored in a constant character string.
* @param in AutoConnectAux element data which is described by JSON.
* @return true The element collection successfully loaded.
* @return false Invalid JSON data occurred.
*/
bool AutoConnectAux::load(const String& in) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonObject& jb = jsonBuffer.parseObject(in);
return _load(jb);
}
/**
* Constructs an AutoConnectAux instance by reading all the
* AutoConnectElements of the specified URI from the elements defined
* JSON stored in pgm_data array.
* @param in AutoConnectAux element data which is described by JSON.
* @return true The element collection successfully loaded.
* @return false Invalid JSON data occurred.
*/
bool AutoConnectAux::load(const __FlashStringHelper* in) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonObject& jb = jsonBuffer.parseObject(in);
return _load(jb);
}
/**
* Constructs an AutoConnectAux instance by reading all the
* AutoConnectElements of the specified URI from the elements defined
* JSON stored in a Stream.
* @param in AutoConnectAux element data which is described by JSON.
* @return true The element collection successfully loaded.
* @return false Invalid JSON data occurred.
*/
bool AutoConnectAux::load(Stream& in) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonObject& jb = jsonBuffer.parseObject(in);
return _load(jb);
}
/**
* Load all elements of AutoConectAux page from JSON object.
* @param jb Reference of JSON object
* @return true Successfully loaded.
* @return false loading unsuccessful, JSON parsing error occurred.
*/
bool AutoConnectAux::_load(JsonObject& jb) {
if (!jb.success()) {
AC_DBG("json parse error\n");
return false;
}
_title = jb.get<String>(F(AUTOCONNECT_JSON_KEY_TITLE));
_uriStr = jb.get<String>(F(AUTOCONNECT_JSON_KEY_URI));
_uri = _uriStr.c_str();
_menu = jb.get<bool>(F(AUTOCONNECT_JSON_KEY_MENU));
JsonVariant elements = jb[F(AUTOCONNECT_JSON_KEY_ELEMENT)];
(void)_loadElement(elements, "");
return true;
}
/**
* Load element specified by the name parameter from the stream
* described by JSON. Usually, the Stream is specified a storm file of
* SD or SPIFFS. The Stream must be opened before invoking the function.
* @param in Reference of the Stream which contains the parameter
* data described by JSON.
* @param name The element name to be loaded. '*'specifies that all
* elements are to be loaded.
* @return A reference of loaded AutoConnectElement instance.
*/
bool AutoConnectAux::loadElement(const String& in, const String& name) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jb = jsonBuffer.parse(in);
return _loadElement(jb, name);
}
bool AutoConnectAux::loadElement(const __FlashStringHelper* in, const String& name) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jb = jsonBuffer.parse(in);
return _loadElement(jb, name);
}
bool AutoConnectAux::loadElement(Stream& in, const String& name) {
DynamicJsonBuffer jsonBuffer(AUTOCONNECT_JSON_BUFFER_SIZE);
JsonVariant jb = jsonBuffer.parse(in);
return _loadElement(jb, name);
}
bool AutoConnectAux::_loadElement(JsonVariant& jb, const String& name) {
bool rc = jb.success();
if (rc) {
if (jb.is<JsonArray>()) {
JsonArray& elements = jb.as<JsonArray>();
for (JsonObject& element : elements) {
AutoConnectElement& elm = _loadElement(element, name);
if (!elm.name.length()) {
rc = false;
break;
}
}
}
else {
JsonObject& element = jb.as<JsonObject>();
AutoConnectElement& elm = _loadElement(element, name);
if (!elm.name.length())
rc = false;
}
}
return rc;
}
AutoConnectElement& AutoConnectAux::_loadElement(JsonObject& element, const String& name) {
AutoConnectElement* auxElm = nullptr;
String elmName = element.get<String>(F(AUTOCONNECT_JSON_KEY_NAME));
if (!name.length() || name.equalsIgnoreCase(elmName)) {
// The specified element is defined in the JSON stream.
// Loads from JSON object.
auxElm = getElement(elmName);
// The element is not created yet, create new one.
if (!auxElm) {
if (elmName.length()) {
if ((auxElm = _createElement(element))) {
AC_DBG("%s<%d> of %s created\n", elmName.c_str(), (int)(auxElm->typeOf()), uri());
add(*auxElm); // Insert to AutoConnect
}
else {
AC_DBG("%s unknown element type\n", elmName.c_str());
}
}
else {
AC_DBG("Element name missing\n");
}
}
if (auxElm) {
if (auxElm->loadMember(element))
AC_DBG("%s<%d> of %s loaded\n", auxElm->name.c_str(), (int)auxElm->typeOf(), uri());
else {
// Element type mismatch
AC_DBG("Type of %s element mismatched\n", elmName.c_str());
}
}
}
return auxElm ? *auxElm : _nullElement();
}
/**
* Serialize an element specified the name into the stream.
* @param name An element name to be output.
* @return Number of bytes output
*/
size_t AutoConnectAux::saveElement(Stream& out, std::vector<String> const& names) {
size_t bufferSize = 0;
size_t stores = _addonElm.size();
size_t amount = names.size();
size_t size_n = 0;
// Calculate JSON buffer size
if (amount == 0)
bufferSize += JSON_OBJECT_SIZE(4);
if (amount != 1)
bufferSize += JSON_ARRAY_SIZE(amount);
for (String name : names)
for (AutoConnectElement& elm : _addonElm)
if (elm.name.equalsIgnoreCase(name)) {
bufferSize += elm.getObjectSize();
break;
}
if (bufferSize > 0) {
DynamicJsonBuffer jb(bufferSize);
if (amount == 1) {
JsonObject& element = jb.createObject();
for (AutoConnectElement& elm : _addonElm)
if (elm.name.equalsIgnoreCase(names[0])) {
elm.serialize(element);
break;
}
size_n = element.printTo(out);
}
else if (amount == 0) {
JsonObject& json = jb.createObject();
json[F(AUTOCONNECT_JSON_KEY_TITLE)] = _title;
json[F(AUTOCONNECT_JSON_KEY_URI)] = _uriStr;
json[F(AUTOCONNECT_JSON_KEY_MENU)] = _menu;
JsonArray& elements = json.createNestedArray(F(AUTOCONNECT_JSON_KEY_ELEMENT));
for (AutoConnectElement& elm : _addonElm) {
JsonObject& element = elements.createNestedObject();
elm.serialize(element);
}
size_n = json.prettyPrintTo(out);
}
else if (amount >= 2) {
JsonArray& elements = jb.createArray();
for (String name : names)
for (AutoConnectElement& elm : _addonElm)
if (elm.name.equalsIgnoreCase(name)) {
JsonObject& element = elements.createNestedObject();
elm.serialize(element);
break;
}
size_n = elements.prettyPrintTo(out);
}
}
return size_n;
}
/**
* Convert element type from type as String.
* @param type An element type as String
* @return A type of ACElement_t
*/
const ACElement_t AutoConnectAux::_asElementType(const String& type) {
typedef struct {
const char* tName;
ACElement_t tEnum;
} ACElementType_t;
static const ACElementType_t types[] PROGMEM = {
{ AUTOCONNECT_JSON_TYPE_ACBUTTON, AC_Button },
{ AUTOCONNECT_JSON_TYPE_ACCHECKBOX, AC_Checkbox },
{ AUTOCONNECT_JSON_TYPE_ACELEMENT, AC_Element },
{ AUTOCONNECT_JSON_TYPE_ACINPUT, AC_Input },
{ AUTOCONNECT_JSON_TYPE_ACRADIO, AC_Radio },
{ AUTOCONNECT_JSON_TYPE_ACSELECT, AC_Select },
{ AUTOCONNECT_JSON_TYPE_ACSUBMIT, AC_Submit },
{ AUTOCONNECT_JSON_TYPE_ACTEXT, AC_Text }
};
ACElement_t t = AC_Unknown;
for (size_t n = 0; n < (sizeof(types) / sizeof(ACElementType_t)); n++) {
if (type.equalsIgnoreCase(String(FPSTR(types[n].tName))))
return types[n].tEnum;
}
return t;
}
#endif // AUTOCONNECT_USE_JSON