https://github.com/Microsoft/TypeScript
Tip revision: 790a5c7735373475505dfc98af6d87241b165ed3 authored by Mohamed Hegazy on 15 November 2016, 19:53:59 UTC
Update LKG
Update LKG
Tip revision: 790a5c7
scriptInfo.ts
/// <reference path="scriptVersionCache.ts"/>
namespace ts.server {
export class ScriptInfo {
/**
* All projects that include this file
*/
readonly containingProjects: Project[] = [];
private formatCodeSettings: ts.FormatCodeSettings;
readonly path: Path;
private fileWatcher: FileWatcher;
private svc: ScriptVersionCache;
// TODO: allow to update hasMixedContent from the outside
constructor(
private readonly host: ServerHost,
readonly fileName: NormalizedPath,
content: string,
readonly scriptKind: ScriptKind,
public isOpen = false,
public hasMixedContent = false) {
this.path = toPath(fileName, host.getCurrentDirectory(), createGetCanonicalFileName(host.useCaseSensitiveFileNames));
this.svc = ScriptVersionCache.fromString(host, content);
this.scriptKind = scriptKind
? scriptKind
: getScriptKindFromFileName(fileName);
}
getFormatCodeSettings() {
return this.formatCodeSettings;
}
attachToProject(project: Project): boolean {
const isNew = !this.isAttached(project);
if (isNew) {
this.containingProjects.push(project);
}
return isNew;
}
isAttached(project: Project) {
// unrolled for common cases
switch (this.containingProjects.length) {
case 0: return false;
case 1: return this.containingProjects[0] === project;
case 2: return this.containingProjects[0] === project || this.containingProjects[1] === project;
default: return contains(this.containingProjects, project);
}
}
detachFromProject(project: Project) {
// unrolled for common cases
switch (this.containingProjects.length) {
case 0:
return;
case 1:
if (this.containingProjects[0] === project) {
this.containingProjects.pop();
}
break;
case 2:
if (this.containingProjects[0] === project) {
this.containingProjects[0] = this.containingProjects.pop();
}
else if (this.containingProjects[1] === project) {
this.containingProjects.pop();
}
break;
default:
removeItemFromSet(this.containingProjects, project);
break;
}
}
detachAllProjects() {
for (const p of this.containingProjects) {
// detach is unnecessary since we'll clean the list of containing projects anyways
p.removeFile(this, /*detachFromProjects*/ false);
}
this.containingProjects.length = 0;
}
getDefaultProject() {
if (this.containingProjects.length === 0) {
return Errors.ThrowNoProject();
}
Debug.assert(this.containingProjects.length !== 0);
return this.containingProjects[0];
}
setFormatOptions(formatSettings: FormatCodeSettings): void {
if (formatSettings) {
if (!this.formatCodeSettings) {
this.formatCodeSettings = getDefaultFormatCodeSettings(this.host);
}
mergeMaps(this.formatCodeSettings, formatSettings);
}
}
setWatcher(watcher: FileWatcher): void {
this.stopWatcher();
this.fileWatcher = watcher;
}
stopWatcher() {
if (this.fileWatcher) {
this.fileWatcher.close();
this.fileWatcher = undefined;
}
}
getLatestVersion() {
return this.svc.latestVersion().toString();
}
reload(script: string) {
this.svc.reload(script);
this.markContainingProjectsAsDirty();
}
saveTo(fileName: string) {
const snap = this.snap();
this.host.writeFile(fileName, snap.getText(0, snap.getLength()));
}
reloadFromFile(tempFileName?: NormalizedPath) {
if (this.hasMixedContent) {
this.reload("");
}
else {
this.svc.reloadFromFile(tempFileName || this.fileName);
this.markContainingProjectsAsDirty();
}
}
snap() {
return this.svc.getSnapshot();
}
getLineInfo(line: number) {
const snap = this.snap();
return snap.index.lineNumberToInfo(line);
}
editContent(start: number, end: number, newText: string): void {
this.svc.edit(start, end - start, newText);
this.markContainingProjectsAsDirty();
}
markContainingProjectsAsDirty() {
for (const p of this.containingProjects) {
p.markAsDirty();
}
}
/**
* @param line 1 based index
*/
lineToTextSpan(line: number) {
const index = this.snap().index;
const lineInfo = index.lineNumberToInfo(line + 1);
let len: number;
if (lineInfo.leaf) {
len = lineInfo.leaf.text.length;
}
else {
const nextLineInfo = index.lineNumberToInfo(line + 2);
len = nextLineInfo.offset - lineInfo.offset;
}
return ts.createTextSpan(lineInfo.offset, len);
}
/**
* @param line 1 based index
* @param offset 1 based index
*/
lineOffsetToPosition(line: number, offset: number): number {
const index = this.snap().index;
const lineInfo = index.lineNumberToInfo(line);
// TODO: assert this offset is actually on the line
return (lineInfo.offset + offset - 1);
}
/**
* @param line 1-based index
* @param offset 1-based index
*/
positionToLineOffset(position: number): ILineInfo {
const index = this.snap().index;
const lineOffset = index.charOffsetToLineNumberAndPos(position);
return { line: lineOffset.line, offset: lineOffset.offset + 1 };
}
}
}