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AutoConnect/src/AutoConnectElementBasis.h

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/**
* Declaration of AutoConnectElement basic class.
* @file AutoConnectElementBasis.h
* @author hieromon@gmail.com
* @version 1.0.0
* @date 2019-09-03
* @copyright MIT license.
*/
#ifndef _AUTOCONNECTELEMENTBASIS_H_
#define _AUTOCONNECTELEMENTBASIS_H_
#include <vector>
#include <memory>
#include "AutoConnectUpload.h"
// AC_AUTOCONNECTELEMENT_ON_VIRTUAL macro absorbs the difference of
// inheritance attribute of AutoConnectElement depending on the use of JSON.
// In a configuration using JSON, the base class of each
// AutoConnectElement is a virtual inheritance.
#ifdef AUTOCONNECT_USE_JSON
#define AC_AUTOCONNECTELEMENT_ON_VIRTUAL virtual
#else
#define AC_AUTOCONNECTELEMENT_ON_VIRTUAL
#endif
// A set of enumerators of types and attributes subordinate to
// AutoConnectElements
typedef enum {
AC_Button,
AC_Checkbox,
AC_Element,
AC_File,
AC_Input,
AC_Radio,
AC_Select,
AC_Style,
AC_Submit,
AC_Text,
AC_Unknown = -1
} ACElement_t; /**< AutoConnectElement class type */
typedef enum {
AC_Horizontal,
AC_Vertical
} ACArrange_t; /**< The element arrange order */
typedef enum {
AC_File_FS = 0,
AC_File_SD,
AC_File_Extern
} ACFile_t; /**< AutoConnectFile media type */
typedef enum {
AC_Tag_None = 0,
AC_Tag_BR = 1,
AC_Tag_P = 2
} ACPosterior_t; /**< Tag to be generated following element */
typedef enum {
AC_Infront,
AC_Behind
} ACPosition_t; /**< Position of label subordinate to element */
/**
* AutoConnectAux element base.
* Placed a raw text that can be added by user sketch.
* @param name A name string for the element.
* @param value A raw text to be placed in HTML.
*/
class AutoConnectElementBasis {
public:
explicit AutoConnectElementBasis(const char* name = "", const char* value = "", const ACPosterior_t post = AC_Tag_None) : name(String(name)), value(String(value)), post(post), enable(true), global(false) {
_type = AC_Element;
}
virtual ~AutoConnectElementBasis() {}
virtual const String toHTML(void) const { return enable ? value : String(""); }
ACElement_t typeOf(void) const { return _type; }
const String posterior(const String& s) const;
#ifndef AUTOCONNECT_USE_JSON
template<typename T>
T& as(void);
#endif
String name; /**< Element name */
String value; /**< Element value */
ACPosterior_t post; /**< Tag to be generated with posterior */
bool enable; /**< Enabling the element */
bool global; /**< The value available in global scope */
protected:
ACElement_t _type; /**< Element type identifier */
};
/**
* Button arrangement class, a part of AutoConnectAux element.
* Place a labeled button that can be added by user sketch.
* @param name Button element name string.
* @param value Value string with the placed button.
* @param action Script code to execute with the button pushed.
*/
class AutoConnectButtonBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectButtonBasis(const char* name = "", const char* value = "", const String& action = String(""), const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), action(String(action)) {
_type = AC_Button;
}
~AutoConnectButtonBasis() {}
const String toHTML(void) const override;
String action;
};
/**
* Checkbox arrangement class, a part of AutoConnectAux element.
* Place a optionally labeled input-box that can be added by user sketch.
* @param name Checkbox name string.
* @param value A string value associated with the input.
* @param label A label string that follows checkbox, optionally.
* The label is placed on the right side of the checkbox.
*/
class AutoConnectCheckboxBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectCheckboxBasis(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosition_t labelPosition = AC_Behind, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), checked(checked), labelPosition(labelPosition) {
_type = AC_Checkbox;
}
virtual ~AutoConnectCheckboxBasis() {}
const String toHTML(void) const override;
String label; /**< A label for a subsequent input box */
bool checked; /**< The element should be pre-selected */
ACPosition_t labelPosition; /**< Output label according to ACPosition_t */
};
/**
* File-select input arrangement class, a part of AutoConnectAux element.
* Place a optionally labeled file-select input box that can be added by user sketch.
* @param name File-select input box name string.
* @param value A string value entered by the selected file name.
* @param label A label string that follows file-select box, optionally.
* The label is placed in front of file-select box.
*/
class AutoConnectFileBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectFileBasis(const char* name = "", const char* value = "", const char* label = "", const ACFile_t store = AC_File_FS, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), store(store), size(0) {
_type = AC_File;
_upload.reset();
}
virtual ~AutoConnectFileBasis() {}
const String toHTML(void) const override;
bool attach(const ACFile_t store);
void detach(void) { _upload.reset(); }
AutoConnectUploadHandler* upload(void) const { return _upload.get(); }
String label; /**< A label for a subsequent input box */
ACFile_t store; /**< Type of file store */
String mimeType; /**< Uploading file mime type string */
size_t size; /**< Total uploaded bytes */
protected:
std::unique_ptr<AutoConnectUploadHandler> _upload;
};
/**
* Input-box arrangement class, a part of AutoConnectAux element.
* Place a optionally labeled input-box that can be added by user sketch.
* @param name Input-box name string.
* @param value Default value string. This string display as a placeholder by the default.
* @param label A label string that follows Input-box, optionally.
* The label is placed in front of Input-box.
*/
class AutoConnectInputBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectInputBasis(const char* name = "", const char* value = "", const char* label = "", const char* pattern = "", const char* placeholder = "", const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), pattern(String(pattern)), placeholder(String(placeholder)) {
_type = AC_Input;
}
virtual ~AutoConnectInputBasis() {}
const String toHTML(void) const override;
bool isValid(void) const;
String label; /**< A label for a subsequent input box */
String pattern; /**< Format pattern to aid validation of input value */
String placeholder; /**< Pre-filled placeholder */
};
/**
* Radio-button arrangement class, a part of AutoConnectAux element.
* Place a group of radio-button items and selectable mark checked.
* @param name Radio-button name string.
* @param options Array of value collection.
* @param label A label string that follows radio-buttons group.
* @param checked Index of check marked item.
*/
class AutoConnectRadioBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectRadioBasis(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, "", post), label(label), order(order), checked(checked), _values(values) {
_type = AC_Radio;
}
virtual ~AutoConnectRadioBasis() {}
const String toHTML(void) const override;
const String& operator[] (const std::size_t n) const { return at(n); }
void add(const String& value) { _values.push_back(String(value)); }
size_t size(void) const { return _values.size(); }
const String& at(const std::size_t n) const { return _values.at(n); }
void check(const String& value);
void empty(const size_t reserve = 0);
const String& value(void) const;
String label; /**< A label for a subsequent radio buttons */
ACArrange_t order; /**< layout order */
uint8_t checked; /**< Index of check marked item */
std::vector<String> tags; /**< For private API: Tag of each value */
protected:
std::vector<String> _values; /**< Items in a group */
};
/**
* Selection-box arrangement class, A part of AutoConnectAux element.
* Place a optionally labeled Selection-box that can be added by user sketch.
* @param name Input-box name string.
* @param options String array display in a selection list.
* @param label A label string that follows Input-box, optionally.
* The label is placed in front of Input-box.
*/
class AutoConnectSelectBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectSelectBasis(const char* name = "", std::vector<String> const& options = {}, const char* label = "", const uint8_t selected = 0, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, "", post), label(String(label)), selected(selected), _options(options) {
_type = AC_Select;
}
virtual ~AutoConnectSelectBasis() {}
const String toHTML(void) const override;
const String& operator[] (const std::size_t n) const { return at(n); }
void add(const String& option) { _options.push_back(String(option)); }
size_t size(void) const { return _options.size(); }
const String& at(const std::size_t n) const { return _options.at(n); }
void select(const String& value);
void empty(const size_t reserve = 0);
const String& value(void) const;
String label; /**< A label for a subsequent input box */
uint8_t selected; /**< Index of checked value (1-based) */
protected:
std::vector<String> _options; /**< List options array */
};
/**
* An element class for inserting CSS in AutoConnectAux page.
* @param name Style name string.
* @param value CSS Native code.
*/
class AutoConnectStyleBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectStyleBasis(const char* name = "", const char* value = "") : AutoConnectElementBasis(name, value, AC_Tag_None) {
_type = AC_Style;
}
virtual ~AutoConnectStyleBasis() {}
};
/**
* Submit button arrangement class, a part of AutoConnectAux element.
* Place a submit button with a label that can be added by user sketch.
* With the button behavior, the values of the elements contained in
* the form would be sent using the post method.
* @param name Button name string.
* @param value Sending value string.
* @param uri Sending uri string.
*/
class AutoConnectSubmitBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectSubmitBasis(const char* name = "", const char* value = "", const char* uri = "", const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), uri(String(uri)) {
_type = AC_Submit;
}
virtual ~AutoConnectSubmitBasis() {}
const String toHTML(void) const override;
String uri; /**< An url of submitting to */
};
/**
* Text arrangement class, a part of AutoConnectAux element.
* @param
* @param name Text name string.
* @param value Text value string.
* @param style A string of style-code for decoration, optionally.
* @param format C string that contains the value to be formatted.
* An arrangement text would be placed with <div> contains. A string
* of style-codes are given for '<div style=>'.
*/
class AutoConnectTextBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
public:
explicit AutoConnectTextBasis(const char* name = "", const char* value = "", const char* style = "", const char* format = "", const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), style(String(style)), format(String(format)) {
_type = AC_Text;
}
virtual ~AutoConnectTextBasis() {}
const String toHTML(void) const override;
String style; /**< CSS style modifier native code */
String format; /**< C string that contains the text to be written */
};
#ifndef AUTOCONNECT_USE_JSON
/**
* Casts only a class derived from the AutoConnectElement class to the
* actual element class.
*/
template<>
inline AutoConnectButtonBasis& AutoConnectElementBasis::as<AutoConnectButtonBasis>(void) {
if (typeOf() != AC_Button)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectButtonBasis*>(this));
}
template<>
inline AutoConnectCheckboxBasis& AutoConnectElementBasis::as<AutoConnectCheckboxBasis>(void) {
if (typeOf() != AC_Checkbox)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectCheckboxBasis*>(this));
}
template<>
inline AutoConnectFileBasis& AutoConnectElementBasis::as<AutoConnectFileBasis>(void) {
if (typeOf() != AC_File)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectFileBasis*>(this));
}
template<>
inline AutoConnectInputBasis& AutoConnectElementBasis::as<AutoConnectInputBasis>(void) {
if (typeOf() != AC_Input)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectInputBasis*>(this));
}
template<>
inline AutoConnectRadioBasis& AutoConnectElementBasis::as<AutoConnectRadioBasis>(void) {
if (typeOf() != AC_Radio)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectRadioBasis*>(this));
}
template<>
inline AutoConnectSelectBasis& AutoConnectElementBasis::as<AutoConnectSelectBasis>(void) {
if (typeOf() != AC_Select)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectSelectBasis*>(this));
}
template<>
inline AutoConnectStyleBasis& AutoConnectElementBasis::as<AutoConnectStyleBasis>(void) {
if (typeOf() != AC_Style)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectStyleBasis*>(this));
}
template<>
inline AutoConnectSubmitBasis& AutoConnectElementBasis::as<AutoConnectSubmitBasis>(void) {
if (typeOf() != AC_Submit)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectSubmitBasis*>(this));
}
template<>
inline AutoConnectTextBasis& AutoConnectElementBasis::as<AutoConnectTextBasis>(void) {
if (typeOf() != AC_Text)
AC_DBG("%s mismatched type as <%d>\n", name.c_str(), (int)typeOf());
return *(reinterpret_cast<AutoConnectTextBasis*>(this));
}
#endif
#endif // _AUTOCONNECTELEMENTBASIS_H_