172 lines
4.3 KiB
C++
172 lines
4.3 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* JsonSections.cpp
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* This builds the json string for the web UI.
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* Copyright (C) 2010 Simon Newton
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*/
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#include <algorithm>
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#include <iostream>
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#include <string>
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#include <utility>
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#include <vector>
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#include "ola/web/JsonSections.h"
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#include "ola/Logging.h"
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#include "ola/StringUtils.h"
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namespace ola {
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namespace web {
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using std::endl;
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using std::pair;
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using std::string;
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using std::stringstream;
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using std::vector;
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using ola::EscapeString;
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string GenericItem::AsString() const {
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stringstream output;
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output << " {" << endl;
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if (!m_button_text.empty())
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output << " \"button\": \"" << EscapeString(m_button_text) << "\","
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<< endl;
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output << " \"description\": \"" << EscapeString(m_description) << "\","
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<< endl;
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if (!m_id.empty())
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output << " \"id\": \"" << EscapeString(m_id) << "\"," << endl;
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output << " \"type\": \"" << Type() << "\"," << endl;
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output << " \"value\": " << Value() << "," << endl;
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output << ExtraProperties();
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output << " }," << endl;
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return output.str();
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}
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string StringItem::Value() const {
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return "\"" + EscapeString(m_value) + "\"";
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}
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string UIntItem::ExtraProperties() const {
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stringstream output;
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if (m_min_set)
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output << " \"min\": " << m_min << "," << endl;
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if (m_max_set)
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output << " \"max\": " << m_max << "," << endl;
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return output.str();
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}
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string BoolItem::Value() const {
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return m_value ? "1" : "0";
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}
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string HiddenItem::Value() const {
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return "\"" + EscapeString(m_value) + "\"";
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}
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void SelectItem::AddItem(const string &label, const string &value) {
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pair<string, string> p(label, value);
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m_values.push_back(p);
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}
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void SelectItem::AddItem(const string &label, unsigned int value) {
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AddItem(label, IntToString(value));
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}
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string SelectItem::Value() const {
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stringstream str;
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str << "[" << endl;
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vector<pair<string, string> >::const_iterator iter;
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for (iter = m_values.begin(); iter != m_values.end(); ++iter) {
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str << " {" << endl;
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str << " \"label\": \"" << EscapeString(iter->first) << "\"," <<
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endl;
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str << " \"value\": \"" << EscapeString(iter->second) << "\"," <<
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endl;
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str << " }," << endl;
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}
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str << " ]";
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return str.str();
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}
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string SelectItem::ExtraProperties() const {
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stringstream output;
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output << " \"selected_offset\": " << m_selected_offset << "," << endl;
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return output.str();
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}
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/**
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* Create a new section response
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*/
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JsonSection::JsonSection(bool allow_refresh)
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: m_allow_refresh(allow_refresh),
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m_error(""),
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m_save_button_text("") {
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}
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/**
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* Cleanup
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*/
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JsonSection::~JsonSection() {
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vector<const GenericItem*>::const_iterator iter = m_items.begin();
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for (; iter != m_items.end(); ++iter) {
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delete *iter;
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}
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}
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/**
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* Add an item to this section, ownership is transferred.
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*/
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void JsonSection::AddItem(const GenericItem *item) {
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m_items.push_back(item);
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}
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/*
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* Return the section as a string.
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*/
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string JsonSection::AsString() const {
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stringstream output;
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output << "{" << endl;
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output << " \"refresh\": " << m_allow_refresh << "," << endl;
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output << " \"error\": \"" << EscapeString(m_error) << "\"," << endl;
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if (!m_save_button_text.empty())
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output << " \"save_button\": \"" << EscapeString(m_save_button_text) <<
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"\"," << endl;
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output << " \"items\": [" << endl;
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vector<const GenericItem*>::const_iterator iter = m_items.begin();
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for (; iter != m_items.end(); ++iter) {
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output << (*iter)->AsString();
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}
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output << " ]," << endl;
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output << "}" << endl;
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return output.str();
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}
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} // web
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} // ola
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