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****************************************************************************/

/*

  linguistgenerator.cpp

*/

#include "codemarker.h"

#include "pagegenerator.h"

#include "linguistgenerator.h"

#include "node.h"

#include "separator.h"

#include "tree.h"

#include <ctype.h>

#include <qlist.h>

#include <qiterator.h>

QT_BEGIN_NAMESPACE

#define COMMAND_VERSION                 Doc::alias("version")

LinguistGenerator::LinguistGenerator()

    : PageGenerator()

{

}

LinguistGenerator::~LinguistGenerator()

{

}

void LinguistGenerator::initializeGenerator(const Config &config)

{

    Generator::initializeGenerator(config);

}

void LinguistGenerator::terminateGenerator()

{

    PageGenerator::terminateGenerator();

}

QString LinguistGenerator::format()

{

    return "Linguist";

}

QString LinguistGenerator::fileExtension(const Node * /* node */)

{

    return "ts";

}

void LinguistGenerator::generateClassLikeNode(const InnerNode *inner, CodeMarker *marker)

{

    out().setCodec("utf-8");

    QDomDocument document("TS");

    QDomElement documentElement = document.createElement("TS");

    documentElement.setAttribute("version", "1.1");

    QList<QDomElement> contextElements = generateIndexSections(document, inner, marker);

    foreach (const QDomElement &element, contextElements)

        documentElement.appendChild(element);

    QDomProcessingInstruction process = document.createProcessingInstruction(

        "xml", QString("version=\"1.0\" encoding=\"%1\"").arg("utf-8"));

    document.appendChild(process);

    document.appendChild(documentElement);

    out() << document;

    out().flush();

}

void LinguistGenerator::generateFakeNode( const FakeNode *fake, CodeMarker *marker )

{

    out().setCodec("utf-8");

    QDomDocument document("TS");

    QDomElement documentElement = document.createElement("TS");

    documentElement.setAttribute("version", "1.1");

    QList<QDomElement> contextElements = generateIndexSections(document, fake, marker);

    foreach (const QDomElement &element, contextElements)

        documentElement.appendChild(element);

    QDomProcessingInstruction process = document.createProcessingInstruction(

        "xml", QString("version=\"1.0\" encoding=\"%1\"").arg("utf-8"));

    document.appendChild(process);

    document.appendChild(documentElement);

    out() << document;

    out().flush();

}

QList<QDomElement> LinguistGenerator::generateIndexSections(

                   QDomDocument &document, const Node *node, CodeMarker *marker)

{

    QList<QDomElement> contexts;

    if (node->isInnerNode()) {

        const InnerNode *inner = static_cast<const InnerNode *>(node);

        foreach (const Node *child, inner->childNodes()) {

            // Recurse to generate a DOM element for this child node and all

            // its children.

            contexts += generateIndexSections(document, child, marker);

        }

/*

        foreach (const Node *child, inner->relatedNodes()) {

            QDomElement childElement = generateIndexSections(document, child, marker);

            element.appendChild(childElement);

        }

*/

    }

    // Add documentation to this node if it exists.

    if (!node->doc().isEmpty()) {

        QString nodeName = fullName(node);

        QString signature;

        if (node->type() == Node::Function) {

            QStringList pieces;

            const FunctionNode *functionNode = static_cast<const FunctionNode*>(node);

            foreach (const Parameter &parameter, functionNode->parameters()) {

                QString typeString = parameter.leftType() + parameter.rightType();

                if (typeString.split(" ").size() > 1)

                    pieces.append(typeString + parameter.name());

                else

                    pieces.append(typeString + " " + parameter.name());

            }

            signature = "(" + pieces.join(", ") + ")";

        }

        QDomElement contextElement = document.createElement("context");

        QDomElement nameElement = document.createElement("name");

        nameElement.appendChild(document.createTextNode(nodeName + signature));

        contextElement.appendChild(nameElement);

        QDomElement messageElement = document.createElement("message");

        contextElement.appendChild(messageElement);

        QDomElement sourceElement = document.createElement("source");

        QString sourceText = simplified(node->doc().source());

        if (!signature.isEmpty() && signature != "()" && !sourceText.contains("\\fn"))

            sourceText.prepend(QString("\\fn %1%2\n").arg(nodeName).arg(signature));

        sourceElement.appendChild(document.createTextNode(sourceText));

        messageElement.appendChild(sourceElement);

        QDomElement translationElement = document.createElement("translation");

        translationElement.setAttribute("type", "unfinished");

        messageElement.appendChild(translationElement);

        QDomElement locationElement = document.createElement("location");

        locationElement.setAttribute("filename", node->doc().location().filePath());

        locationElement.setAttribute("line", node->doc().location().lineNo());

        messageElement.appendChild(locationElement);

        contexts.append(contextElement);

    }

    return contexts;

}

QString LinguistGenerator::fullName(const Node *node) const

{

    if (!node)

        return "";

    else if (node->parent() && !node->parent()->name().isEmpty())

        return fullName(node->parent()) + "::" + node->name();

    else

        return node->name();

}

QString LinguistGenerator::simplified(const QString &text) const

{

    QStringList lines = text.split("\n");

    while (lines.size() > 0 && lines.first().trimmed().isEmpty())

        lines.pop_front();

    while (lines.size() > 0 && lines.last().trimmed().isEmpty())

        lines.pop_back();

    int min = 0;

    bool set = false;

    foreach (const QString &line, lines) {

        int j = 0;

        while (j < line.length()) {

            if (line[j] != ' ')

                break;

            ++j;

        }

        if (j < line.length()) {

            if (!set) {

                min = j;

                set = true;

            } else

                min = qMin(min, j);

        }

    }

    for (int i = 0; i < lines.size(); ++i)

        lines[i] = lines[i].mid(min);

    return lines.join("\n");

}

QT_END_NAMESPACE