main.js

/*jslint indent: 4, nomen: true */
/*global define, brackets, $ */

/**
 * Provides phplint results via the core linting extension point
 */
define(function (require, exports, module) {
    "use strict";

    var AppInit = brackets.getModule("utils/AppInit"),
        DocumentManager = brackets.getModule('document/DocumentManager'),
        CodeInspection = brackets.getModule("language/CodeInspection"),
        EditorManager = brackets.getModule('editor/EditorManager'),
        NodeConnection = brackets.getModule('utils/NodeConnection'),
        Dialogs = brackets.getModule("widgets/Dialogs"),
        ExtensionUtils = brackets.getModule('utils/ExtensionUtils'),
        node = new NodeConnection(),
        codeInspectionErrors = [];

    ExtensionUtils.loadStyleSheet(module, "css/style.css");

    if (!node.domains.phplint) {
        node.connect(true).done(function () {
            var path = ExtensionUtils.getModulePath(module, 'node/commander.js');
            node.loadDomains([path], true).done(function () {
                AppInit.appReady(initLinter);
            });
        });
    } else {
        AppInit.appReady(initLinter);
    }

    function initLinter() {
        if (EditorManager) {
            EditorManager.on('activeEditorChange', function (event, EditorManager) {
                var currentDocument = DocumentManager.getCurrentDocument(),
                    codeMirror;

                if (currentDocument) {
                    
                    if (currentDocument.language._name === 'PHP') {
                        codeMirror = registerGutter();
                        analizeErrors(codeMirror, currentDocument.file._path);

                        DocumentManager.on('documentSaved', function () {
                            analizeErrors(codeMirror, currentDocument.file._path);
                        });
                    } else {
                        DocumentManager.off('documentSaved');
                    }
                }

            });

            CodeInspection.register("php", {
                name: "PHPLint",
                scanFile: function (text, fullPath) {
                    return {
                        errors: codeInspectionErrors
                    };
                }
            });
        }
    }

    function analizeErrors(codeMirror, filePath) {
        getLintErrors(filePath, function (error) {
            if (error) {
                addError(codeMirror, error);
            } else {
                codeMirror.clearGutter("interactive-php-linter-gutter");
            }
        });
    }

    function registerGutter() {

        var currentEditor = EditorManager.getActiveEditor(),
            codeMirror = currentEditor._codeMirror,
            gutters = codeMirror.getOption("gutters").slice(0);
        if (gutters.indexOf("interactive-php-linter-gutter") === -1) {
            gutters.unshift("interactive-php-linter-gutter");
            codeMirror.setOption("gutters", gutters);
        }

        return codeMirror;

    }

    function addError(cm, error) {
        var element = $("<div class='interactive-php-linter-gutter-icon' title='Click for details'>&nbsp;</div>");
        element.click(function () {
            Dialogs.showModalDialog(
                "phpLinterModal",
                "PHP Error",
                error.message
            );
        });
        cm.setGutterMarker(error.line, "interactive-php-linter-gutter", element[0]);
    }

    function getLintErrors(filePath, callback) {
        var error = false;
        node.domains.phplint.commander('php -d display_errors=1 -d error_reporting=-1 -l "' + filePath + '"').done(function (data) {
            if (data.indexOf('No syntax errors detected') === -1) {
                var match = /(.+) in (.+) on line (\d+)/.exec(data),
                    line = parseInt(match[3], 10) - 1,
                    message = match[1];

                error = {
                    line: line,
                    message: message,
                };

                codeInspectionErrors = [{
                    pos: {
                        line: line
                    },
                    message: message,
                    type: CodeInspection.Type.ERROR
                }];
            } else {
                codeInspectionErrors = [];
            }
            CodeInspection.requestRun();
            callback(error);
        });
    }

});