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867 lines
29 KiB
867 lines
29 KiB
/**
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* Implementation of AutoConnectAux class.
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* @file AutoConnectAuxBasisImpl.h
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* @author hieromon@gmail.com
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* @version 0.9.8
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* @date 2019-03-11
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* @copyright MIT license.
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*/
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#include <algorithm>
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#include "AutoConnect.h"
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#include "AutoConnectAux.h"
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#include "AutoConnectAuxImpl.h"
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#include "AutoConnectUploadImpl.h"
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#include "AutoConnectElementBasisImpl.h"
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#ifdef AUTOCONNECT_USE_JSON
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#include "AutoConnectElementJsonImpl.h"
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#endif
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/**
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* Template for auxiliary page composed with AutoConnectAux of user sketch.
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* The structure of the auxiliary page depends on this template for
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* the purpose to be incorporated into the AutoConnect Menu.
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* The page element implemented by AutoConnectElement is placed at the
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* position of {{AUX_ELEMENT}} token. This token is contained in a
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* <div> block with a class defined in 'base-panel' and is held by a
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* <form> element with an ID '_aux'.
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* The JavaScript that named 'sa' at the end of the template determines
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* the behavior of AutoConnectSubmit.
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*/
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const char AutoConnectAux::_PAGE_AUX[] PROGMEM = {
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"{{HEAD}}"
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"<title>{{AUX_TITLE}}</title>"
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"<style type=\"text/css\">"
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"{{CSS_BASE}}"
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"{{CSS_UL}}"
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"{{CSS_INPUT_BUTTON}}"
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"{{CSS_INPUT_TEXT}}"
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"{{CSS_LUXBAR}}"
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"</style>"
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"</head>"
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"<body style=\"padding-top:58px;\">"
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"<div class=\"container\">"
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"{{MENU_PRE}}"
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"{{MENU_AUX}}"
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"{{MENU_POST}}"
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"<div class=\"base-panel\"><div class=\"aux-page\">"
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"<form id='_aux' method=\"post\" onsubmit=\"return false;\" {{ENC_TYPE}}>"
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"<ul class=\"noorder\">"
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"{{AUX_ELEMENT}}"
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"</ul>"
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"</form>"
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"</div></div>"
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"</div>"
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"<script>"
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"function _sa(url) {"
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"var uri=document.createElement('input');"
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"uri.setAttribute('type','hidden');"
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"uri.setAttribute('name','" AUTOCONNECT_AUXURI_PARAM "');"
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"uri.setAttribute('value','{{AUX_URI}}');"
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"document.getElementById('_aux').appendChild(uri);"
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"document.getElementById('_aux').action=url;"
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"document.getElementById('_aux').submit();"
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"}"
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"</script>"
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"</body>"
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"</html>"
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};
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/**
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* Destructs container of AutoConnectElement and release a unique
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* pointer of AutoConnect instance.
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*/
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AutoConnectAux::~AutoConnectAux() {
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_addonElm.clear();
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_addonElm.swap(_addonElm);
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if (_ac)
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_ac.release();
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}
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/**
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* Returns a null element as static storage.
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* This static element is referred by invalid JSON data.
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* @return A reference of a static element defined by name as null.
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*/
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AutoConnectElement& AutoConnectAux::_nullElement() {
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static AutoConnectElement nullElement("", "");
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return nullElement;
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}
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/**
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* Add an AutoConnectElement
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* @param addon A reference of AutoConnectElement.
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*/
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void AutoConnectAux::add(AutoConnectElement& addon) {
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_addonElm.push_back(addon);
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AC_DBG("%s placed on %s\n", addon.name.length() ? addon.name.c_str() : "*noname", uri());
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}
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/**
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* Add an AutoConnectElement vector container to the AutoConnectAux page.
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* @param addons AutoConnectElementVT collection.
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*/
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void AutoConnectAux::add(AutoConnectElementVT addons) {
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for (AutoConnectElement& element : addons)
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add(element);
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}
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/**
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* Get already registered AutoConnectElement.
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* @param name Element name
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* @return A pointer to the registered AutoConnectElement.
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*/
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AutoConnectElement* AutoConnectAux::getElement(const String& name) {
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for (AutoConnectElement& elm : _addonElm)
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if (elm.name.equalsIgnoreCase(name))
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return &elm;
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AC_DBG("Element<%s> not registered\n", name.c_str());
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return nullptr;
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}
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/**
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* Releases the AutoConnectElements with the specified name from
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* the AutoConnectAux page. Releases all AutoConnectElements with
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* the same name in AutoConnectAux.
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* @param name
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* @return true The specified AutoConnectElements have been released.
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* @return false The specified AutoConnectElement not found in AutoConnectAux.
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*/
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bool AutoConnectAux::release(const String& name) {
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auto itr = std::remove_if(_addonElm.begin(), _addonElm.end(),
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[&](std::reference_wrapper<AutoConnectElement> const elm) {
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return elm.get().name.equalsIgnoreCase(name);
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});
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return _addonElm.erase(itr, _addonElm.end()) != _addonElm.end();
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}
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/**
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* Set the value to specified element.
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* @param name A string of element name to set the value.
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* @param value Setting value. (String)
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* @return true The value was set.
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* @return false An element specified name is not registered,
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* or its element value does not match storage type.
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*/
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bool AutoConnectAux::setElementValue(const String& name, const String value) {
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AutoConnectElement* elm = getElement(name);
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if (elm) {
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if (elm->typeOf() == AC_Select) {
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AutoConnectSelect* elmSelect = reinterpret_cast<AutoConnectSelect*>(elm);
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elmSelect->select(value);
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}
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else {
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if (elm->typeOf() == AC_Checkbox) {
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if (value == "checked") {
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AutoConnectCheckbox* elmCheckbox = reinterpret_cast<AutoConnectCheckbox*>(elm);
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elmCheckbox->checked = true;
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}
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}
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else if (elm->typeOf() == AC_Radio) {
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AutoConnectRadio* elmRadio = reinterpret_cast<AutoConnectRadio*>(elm);
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elmRadio->check(value);
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}
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else
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elm->value = value;
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return true;
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}
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}
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return false;
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}
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/**
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* Set the value to specified element.
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* @param name A string of element name to set the value.
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* @param value Setting value. (String)
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* @return true The value was set.
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* @return false An element specified name is not registered,
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* or its element value must be array.
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*/
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bool AutoConnectAux::setElementValue(const String& name, std::vector<String> const& values) {
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bool rc = false;
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AutoConnectElement* elm = getElement(name);
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if (elm) {
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switch (elm->typeOf()) {
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case AC_Radio: {
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AutoConnectRadio* elmRadio = reinterpret_cast<AutoConnectRadio*>(elm);
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elmRadio->empty();
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for (String v : values)
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elmRadio->add(v);
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rc = true;
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break;
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}
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case AC_Select: {
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AutoConnectSelect* elmSelect = reinterpret_cast<AutoConnectSelect*>(elm);
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elmSelect->empty();
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for (String o : values)
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elmSelect->add(o);
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rc = true;
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break;
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}
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default: {
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AC_DBG("Element<%s> value type mismatch\n", name.c_str());
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break;
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}
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}
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}
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return rc;
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}
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/**
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* The upload function that overrides the RequestHandler class
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* attached with ESP8266WebServer.
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* This function invokes the upload handler registered by the onUpload
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* function which will be implemented by the user sketch.
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*/
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void AutoConnectAux::upload(const String& requestUri, const HTTPUpload& upload) {
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if (upload.status == UPLOAD_FILE_START) {
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AC_DBG("%s requests upload to %s\n", requestUri.c_str(), _uriStr.c_str());
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// Selects a valid upload handler before uploading starts.
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// Identify AutoConnectFile with the current upload request and
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// save the value and mimeType attributes.
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AC_DBG("ACFile %s ", upload.name.c_str());
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String logContext = "missing";
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AutoConnectElementVT addons;
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AutoConnectAux* aux = _ac->_aux.get();
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while (aux) {
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if (aux->_uriStr == requestUri) {
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addons = aux->_addonElm;
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break;
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}
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aux = aux->_next.get();
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}
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_currentUpload = nullptr;
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for (AutoConnectElement& elm : addons) {
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if (elm.typeOf() == AC_File) {
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_currentUpload = reinterpret_cast<AutoConnectFile*>(&elm);
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// Reset previous value
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_currentUpload->value = String("");
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_currentUpload->mimeType = String("");
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_currentUpload->size = 0;
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// Overwrite with current upload request
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if (upload.name.equalsIgnoreCase(_currentUpload->name)) {
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_currentUpload->value = upload.filename;
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_currentUpload->mimeType = upload.type;
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logContext = "accepted " + _currentUpload->value;
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break;
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}
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}
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}
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AC_DBG_DUMB("%s, handler ", logContext.c_str());
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// If the current upload request is AutoConnectFile without default
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// AutoConnectUpload (i.e. the store attribute is AC_File_Ex),
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// enable the user-owned upload handler activated by the onUpload.
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_upload = nullptr;
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if (_currentUpload)
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if (_currentUpload->attach(_currentUpload->store)) {
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_upload = std::bind(&AutoConnectUploadHandler::upload, _currentUpload->upload(), std::placeholders::_1, std::placeholders::_2);
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AC_DBG_DUMB("attached(%d)\n", (int)_currentUpload->store);
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}
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if (!_upload) {
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if (_uploadHandler) {
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_upload = _uploadHandler;
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AC_DBG_DUMB("enabled\n");
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}
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else
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AC_DBG_DUMB("missing\n");
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}
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}
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// Invokes upload handler
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if (_upload) {
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_upload(requestUri, upload);
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if (_currentUpload)
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_currentUpload->size = upload.totalSize;
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// Upload ended, purge handler
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if (upload.status == UPLOAD_FILE_END || upload.status == UPLOAD_FILE_ABORTED) {
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if (_currentUpload)
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_currentUpload->detach();
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AC_DBG("%d bytes uploaded\n", upload.totalSize);
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}
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}
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}
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/**
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* Concatenates subsequent AutoConnectAux pages starting from oneself
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* to the chain list.
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* AutoConnectAux is collected in the chain list and each object is
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* chained by the "_next". AutoConnect follows the "_next" to manage
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* auxiliary pages. The _concat function concatenates subsequent
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* AutoConnectAuxs.
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* @param aux A reference of AutoConnectAux.
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*/
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void AutoConnectAux::_concat(AutoConnectAux& aux) {
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if (_next)
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_next->_concat(aux);
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else
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_next.reset(&aux);
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}
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/**
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* Register the AutoConnect that owns itself.
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* AutoConenctAux needs to access the AutoConnect member. Also
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* AutoConnectAux is cataloged by chain list. The _join function
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* registers AutoConnect in the following AutoConnectAux chain list.
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* @param ac A reference of AutoConnect.
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*/
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void AutoConnectAux::_join(AutoConnect& ac) {
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_ac.reset(&ac);
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// Chain to subsequent AutoConnectAux in the list.
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if (_next)
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_next->_join(ac);
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}
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/**
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* Inject the <li> element depending on the "luxbar-item" attribute
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* for implementing the AutoConnect menu.
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* @param args A reference of PageArgument but it's only used for
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* interface alignment and is not actually used.
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* @return A concatenated string of <li> elements for the menu item of
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* AutoConnect.
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*/
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const String AutoConnectAux::_injectMenu(PageArgument& args) {
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String menuItem;
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if (_menu)
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menuItem = String(FPSTR("<li class=\"luxbar-item\"><a href=\"")) + String(_uri) + String("\">") + _title + String(FPSTR("</a></li>"));
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if (_next)
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menuItem += _next->_injectMenu(args);
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return menuItem;
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}
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/**
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* Insert the uri that caused the request to the aux.
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*/
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const String AutoConnectAux::_indicateUri(PageArgument& args) {
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AC_UNUSED(args);
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String lastUri = _uriStr;
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lastUri.replace("/", "/");
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return lastUri;
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}
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/**
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* Modifying the form of attribute depending on the type of `input` tag
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* contained. If the custom web page contains `input type=file` then
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* allows multipart as ENCTYPE attribute.
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* @param args A reference of PageArgument but unused.
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* @return HTML string that should be inserted.
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*/
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const String AutoConnectAux::_indicateEncType(PageArgument& args) {
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AC_UNUSED(args);
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String encType = String("");
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for (AutoConnectElement& elm : _addonElm)
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if (elm.typeOf() == AC_File) {
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return String(F("enctype='multipart/form-data'"));
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}
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return AutoConnect::_emptyString;
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}
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/**
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* Insert the token handler of PageBuilder. This handler inserts HTML
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* elements generated by the whole AutoConnectElements to the auxiliary page.
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* @param args A reference of PageArgument but unused.
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* @return HTML string that should be inserted.
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*/
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const String AutoConnectAux::_insertElement(PageArgument& args) {
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String body = String("");
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// When WebServerClass::handleClient calls RequestHandler, the parsed
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// http argument has been prepared.
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// If the current request argument contains AutoConnectElement, it is
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// the form data of the AutoConnectAux page and with this timing save
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// the value of each element.
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WebServerClass* _webServer = _ac->_webServer.get();
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if (_webServer->hasArg(String(F(AUTOCONNECT_AUXURI_PARAM)))) {
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_ac->_auxUri = _webServer->arg(String(F(AUTOCONNECT_AUXURI_PARAM)));
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_ac->_auxUri.replace("/", "/");
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AutoConnectAux* aux = _ac->_aux.get();
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while (aux) {
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if (aux->_uriStr == _ac->_auxUri) {
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// Save the value owned by each element contained in the POST body
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// of a current HTTP request to AutoConnectElements.
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aux->_storeElements(_webServer);
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break;
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}
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aux = aux->_next.get();
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}
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}
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// Call user handler before HTML generation.
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if (_handler) {
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if (_order & AC_EXIT_AHEAD) {
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AC_DBG("CB in AHEAD %s\n", uri());
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body += _handler(*this, args);
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}
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}
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// Generate HTML for all AutoConnectElements contained in the page.
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for (AutoConnectElement& addon : _addonElm)
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body += addon.toHTML();
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// Call user handler after HTML generation.
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if (_handler) {
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if (_order & AC_EXIT_LATER) {
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AC_DBG("CB in LATER %s\n", uri());
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body += _handler(*this, args);
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}
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}
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return body;
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}
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/**
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* Generate an auxiliary page assembled with the AutoConnectElement.
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* This function is the core procedure of AutoConnectAux, and uses
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* PageBuilder from the _PAGE_AUX template to build an AutoConnect
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* menu and insert HTML elements. A template of an auxiliary page is
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* fixed and its structure inherits from the AutoConnect.
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* @param uri An uri of the auxiliary page.
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* @return A PageElement of auxiliary page.
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*/
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PageElement* AutoConnectAux::_setupPage(const String& uri) {
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PageElement* elm = nullptr;
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if (_ac) {
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if (uri != String(_uri)) {
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if (_next) {
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elm = _next->_setupPage(uri);
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}
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} else {
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AutoConnect* mother = _ac.get();
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// Overwrite actual AutoConnectMenu title to the Aux. page title
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if (_title.length())
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mother->_menuTitle = _title;
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elm = new PageElement();
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// Construct the auxiliary page
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elm->setMold(_PAGE_AUX);
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elm->addToken(String(FPSTR("HEAD")), std::bind(&AutoConnect::_token_HEAD, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("AUX_TITLE")), std::bind(&AutoConnectAux::_injectTitle, this, std::placeholders::_1));
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elm->addToken(String(FPSTR("CSS_BASE")), std::bind(&AutoConnect::_token_CSS_BASE, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("CSS_UL")), std::bind(&AutoConnect::_token_CSS_UL, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("CSS_INPUT_BUTTON")), std::bind(&AutoConnect::_token_CSS_INPUT_BUTTON, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("CSS_INPUT_TEXT")), std::bind(&AutoConnect::_token_CSS_INPUT_TEXT, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("CSS_LUXBAR")), std::bind(&AutoConnect::_token_CSS_LUXBAR, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("MENU_PRE")), std::bind(&AutoConnect::_token_MENU_PRE, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("MENU_AUX")), std::bind(&AutoConnect::_token_MENU_AUX, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("MENU_POST")), std::bind(&AutoConnect::_token_MENU_POST, mother, std::placeholders::_1));
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elm->addToken(String(FPSTR("AUX_URI")), std::bind(&AutoConnectAux::_indicateUri, this, std::placeholders::_1));
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elm->addToken(String(FPSTR("ENC_TYPE")), std::bind(&AutoConnectAux::_indicateEncType, this, std::placeholders::_1));
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elm->addToken(String(FPSTR("AUX_ELEMENT")), std::bind(&AutoConnectAux::_insertElement, this, std::placeholders::_1));
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}
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}
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return elm;
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}
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/**
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* Store element values owned by AutoConnectAux that caused the request.
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* Save the current arguments remaining in the Web server object when
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* this function invoked.
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* @param webServer A pointer to the class object of WebServerClass
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*/
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void AutoConnectAux::_storeElements(WebServerClass* webServer) {
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// Retrieve each element value, Overwrites the value of all cataloged
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// AutoConnectElements with arguments inherited from last http request.
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for (AutoConnectElement& elm : _addonElm) {
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// The POST body does not contain the value of the AutoConnectFile,
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// so it can not be obtained with the WebServerClass::arg function.
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// The AutoConnectFile value will be restored from least recent
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// upload request.
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if (elm.typeOf() == AC_File)
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continue;
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|
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// Relies on AutoConnectRadio, it restores to false at the being
|
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// because the checkbox argument will not pass if it is not checked.
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if (elm.typeOf() == AC_Checkbox)
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reinterpret_cast<AutoConnectCheckbox&>(elm).checked = false;
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|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef AUTOCONNECT_USE_JSON
|
|
|
|
/**
|
|
* 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) {
|
|
return _parseJson<const String&>(aux);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
return _parseJson<const __FlashStringHelper*>(aux);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
return _parseJson<Stream&>(aux);
|
|
}
|
|
|
|
/**
|
|
* Load AutoConnectAux page from JSON object.
|
|
* @param aux A JsonVariant object that stores each element of AutoConnectAuxl.
|
|
* @return true Successfully loaded.
|
|
*/
|
|
bool AutoConnect::_load(JsonVariant& auxJson) {
|
|
bool rc = true;
|
|
if (auxJson.is<JsonArray>()) {
|
|
ArduinoJsonArray jb = auxJson.as<JsonArray>();
|
|
for (ArduinoJsonObject auxJson : jb) {
|
|
AutoConnectAux* newAux = new AutoConnectAux;
|
|
if (newAux->_load(auxJson))
|
|
join(*newAux);
|
|
else {
|
|
delete newAux;
|
|
rc = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
ArduinoJsonObject jb = auxJson.as<JsonObject>();
|
|
AutoConnectAux* newAux = new AutoConnectAux;
|
|
if (newAux->_load(jb))
|
|
join(*newAux);
|
|
else {
|
|
delete newAux;
|
|
rc = false;
|
|
}
|
|
}
|
|
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[F(AUTOCONNECT_JSON_KEY_TYPE)].as<String>();
|
|
|
|
switch (_asElementType(type)) {
|
|
case AC_Element:
|
|
case AC_Unknown:
|
|
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_File: {
|
|
AutoConnectFile* cert_elm = new AutoConnectFile;
|
|
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) {
|
|
return _parseJson<const String&>(in);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
return _parseJson<const __FlashStringHelper*>(in);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
return _parseJson<Stream&>(in);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
_title = jb[F(AUTOCONNECT_JSON_KEY_TITLE)].as<String>();
|
|
_uriStr = jb[F(AUTOCONNECT_JSON_KEY_URI)].as<String>();
|
|
_uri = _uriStr.c_str();
|
|
_menu = jb[F(AUTOCONNECT_JSON_KEY_MENU)].as<bool>();
|
|
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) {
|
|
return _parseElement<const String&, const String&>(in, name);
|
|
}
|
|
|
|
bool AutoConnectAux::loadElement(const __FlashStringHelper* in, const String& name) {
|
|
return _parseElement<const __FlashStringHelper*, const String&>(in, name);
|
|
}
|
|
|
|
bool AutoConnectAux::loadElement(Stream& in, const String& name) {
|
|
return _parseElement<Stream&, const String&>(in, name);
|
|
}
|
|
|
|
bool AutoConnectAux::loadElement(const String& in, std::vector<String> const& names) {
|
|
return _parseElement<const String&, std::vector<String> const&>(in, names);
|
|
}
|
|
|
|
bool AutoConnectAux::loadElement(const __FlashStringHelper* in, std::vector<String> const& names) {
|
|
return _parseElement<const __FlashStringHelper*, std::vector<String> const&>(in, names);
|
|
}
|
|
|
|
bool AutoConnectAux::loadElement(Stream& in, std::vector<String> const& names) {
|
|
return _parseElement<Stream&, std::vector<String> const&>(in, names);
|
|
}
|
|
|
|
bool AutoConnectAux::_loadElement(JsonVariant& jb, std::vector<String> const& names) {
|
|
bool rc = true;
|
|
for (const String& name : names)
|
|
rc &= _loadElement(jb, name);
|
|
return rc;
|
|
}
|
|
|
|
bool AutoConnectAux::_loadElement(JsonVariant& jb, const String& name) {
|
|
bool rc = false;
|
|
if (jb.is<JsonArray>()) {
|
|
ArduinoJsonArray elements = jb.as<JsonArray>();
|
|
for (ArduinoJsonObject element : elements) {
|
|
if (name.length()) {
|
|
//Finds an element with the specified name in the JSON array and loads it.
|
|
if (!name.equalsIgnoreCase(element[F(AUTOCONNECT_JSON_KEY_NAME)].as<String>()))
|
|
continue;
|
|
}
|
|
AutoConnectElement& elm = _loadElement(element, name);
|
|
if (elm.name.length())
|
|
rc = true;
|
|
if (name.length())
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
ArduinoJsonObject element = jb.as<JsonObject>();
|
|
AutoConnectElement& elm = _loadElement(element, name);
|
|
if (elm.name.length())
|
|
rc = true;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
AutoConnectElement& AutoConnectAux::_loadElement(JsonObject& element, const String& name) {
|
|
AutoConnectElement* auxElm = nullptr;
|
|
String elmName = element[F(AUTOCONNECT_JSON_KEY_NAME)].as<String>();
|
|
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 amount = names.size();
|
|
size_t size_n = 0;
|
|
|
|
// Calculate JSON buffer size
|
|
if (amount == 0) {
|
|
bufferSize += JSON_OBJECT_SIZE(4);
|
|
bufferSize += sizeof(AUTOCONNECT_JSON_KEY_TITLE) + _title.length() + sizeof(AUTOCONNECT_JSON_KEY_URI) + _uriStr.length() + sizeof(AUTOCONNECT_JSON_KEY_MENU) + sizeof("false") + sizeof(AUTOCONNECT_JSON_KEY_ELEMENT);
|
|
}
|
|
if (amount != 1)
|
|
bufferSize += JSON_ARRAY_SIZE(amount);
|
|
|
|
for (AutoConnectElement& elmEach : _addonElm) {
|
|
AutoConnectElement* elm = &elmEach;
|
|
if (amount > 0) {
|
|
String& elmName = elm->name;
|
|
auto aim = std::find_if(names.begin(), names.end(), [&](const String& n) { return n.equalsIgnoreCase(elmName); });
|
|
if (aim == names.end())
|
|
continue;
|
|
}
|
|
bufferSize += elm->getObjectSize();
|
|
}
|
|
// Round up to 16 boundary
|
|
bufferSize = bufferSize > 0 ? ((bufferSize + 128) & (~0xf)) : bufferSize;
|
|
AC_DBG("JSON buffer size:%d\n", bufferSize);
|
|
|
|
// Serialization
|
|
if (bufferSize > 0) {
|
|
ArduinoJsonBuffer jb(bufferSize);
|
|
if (amount == 1) {
|
|
ArduinoJsonObject element = ARDUINOJSON_CREATEOBJECT(jb);
|
|
for (AutoConnectElement& elm : _addonElm)
|
|
if (elm.name.equalsIgnoreCase(names[0])) {
|
|
elm.serialize(element);
|
|
break;
|
|
}
|
|
size_n = ARDUINOJSON_PRINT(element, out);
|
|
}
|
|
else if (amount == 0) {
|
|
ArduinoJsonObject json = ARDUINOJSON_CREATEOBJECT(jb);
|
|
json[F(AUTOCONNECT_JSON_KEY_TITLE)] = _title;
|
|
json[F(AUTOCONNECT_JSON_KEY_URI)] = _uriStr;
|
|
json[F(AUTOCONNECT_JSON_KEY_MENU)] = _menu;
|
|
ArduinoJsonArray elements = json.createNestedArray(F(AUTOCONNECT_JSON_KEY_ELEMENT));
|
|
for (AutoConnectElement& elm : _addonElm) {
|
|
ArduinoJsonObject element = elements.createNestedObject();
|
|
elm.serialize(element);
|
|
}
|
|
size_n = ARDUINOJSON_PRETTYPRINT(json, out);
|
|
}
|
|
else if (amount >= 2) {
|
|
ArduinoJsonArray elements = ARDUINOJSON_CREATEARRAY(jb);
|
|
for (String name : names)
|
|
for (AutoConnectElement& elm : _addonElm)
|
|
if (elm.name.equalsIgnoreCase(name)) {
|
|
ArduinoJsonObject element = elements.createNestedObject();
|
|
elm.serialize(element);
|
|
break;
|
|
}
|
|
size_n = ARDUINOJSON_PRETTYPRINT(elements, out);
|
|
}
|
|
}
|
|
return size_n;
|
|
}
|
|
|
|
/**
|
|
* Convert element type from type as String.
|
|
* @param type An element type as String
|
|
* @return A type of ACElement_t
|
|
*/
|
|
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_ACFILE, AC_File },
|
|
{ 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
|
|
|