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import { FormatScanner, TokeType } from "./FormatScanner";
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export class FormatCompiler {
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visitText(scanner: FormatScanner) {
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while (scanner.next()) {
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if (scanner.getTokenType() === TokeType.CurlOpen)
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this.visitCurlOpen(scanner);
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}
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}
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visitCurlOpen(scanner: FormatScanner) {
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if (scanner.next()) {
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if (scanner.getTokenType() === TokeType.CurlOpen)
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this.pushText("{");
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else
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this.visitTemplateSubst(scanner);
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}
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}
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visitTemplateSubst(scanner: FormatScanner) {
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if (scanner.getTokenType() !== TokeType.Text)
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this.dieUnexpectedToken(scanner);
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const fieldName = scanner.getTokenValue();
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let filedFormat: string;
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if (this.readColon(scanner)) {
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filedFormat = this.readFieldFormat(scanner);
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} else {
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if (scanner.getTokenType() !== TokeType.CurlClose)
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this.dieUnexpectedToken(scanner);
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}
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this.pushSubst(fieldName, filedFormat);
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}
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pushSubst(fieldName: string, filedFormat: string) {
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throw new Error("Method not implemented.");
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}
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readFieldFormat(scanner: FormatScanner): string {
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throw new Error("Method not implemented.");
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}
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readColon(scanner: FormatScanner) {
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if (!scanner.next())
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this.dieUnexpectedEnd();
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if (scanner.getTokenType() !== TokeType.Colon)
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return false;
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}
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pushText(text: string) {
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}
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dieUnexpectedToken(scanner: FormatScanner) {
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throw new Error(`Unexpected token ${scanner.getTokenValue()}`);
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}
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dieUnexpectedEnd() {
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throw new Error("Unexpected end of string");
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}
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}
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