diff options
Diffstat (limited to 'packages/frontend/src/scripts/hpml/evaluator.ts')
| -rw-r--r-- | packages/frontend/src/scripts/hpml/evaluator.ts | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/packages/frontend/src/scripts/hpml/evaluator.ts b/packages/frontend/src/scripts/hpml/evaluator.ts deleted file mode 100644 index 9adfba7f27..0000000000 --- a/packages/frontend/src/scripts/hpml/evaluator.ts +++ /dev/null @@ -1,171 +0,0 @@ -import { ref, Ref, unref } from 'vue'; -import { collectPageVars } from '../collect-page-vars'; -import { initHpmlLib } from './lib'; -import { Expr, isLiteralValue, Variable } from './expr'; -import { PageVar, envVarsDef, Fn, HpmlScope, HpmlError } from '.'; -import { version } from '@/config'; - -/** - * Hpml evaluator - */ -export class Hpml { - private variables: Variable[]; - private pageVars: PageVar[]; - private envVars: Record<keyof typeof envVarsDef, any>; - public pageVarUpdatedCallback?: values.VFn; - public canvases: Record<string, HTMLCanvasElement> = {}; - public vars: Ref<Record<string, any>> = ref({}); - public page: Record<string, any>; - - private opts: { - randomSeed: string; visitor?: any; url?: string; - }; - - constructor(page: Hpml['page'], opts: Hpml['opts']) { - this.page = page; - this.variables = this.page.variables; - this.pageVars = collectPageVars(this.page.content); - this.opts = opts; - - const date = new Date(); - - this.envVars = { - AI: 'kawaii', - VERSION: version, - URL: this.page ? `${opts.url}/@${this.page.user.username}/pages/${this.page.name}` : '', - LOGIN: opts.visitor != null, - NAME: opts.visitor ? opts.visitor.name || opts.visitor.username : '', - USERNAME: opts.visitor ? opts.visitor.username : '', - USERID: opts.visitor ? opts.visitor.id : '', - NOTES_COUNT: opts.visitor ? opts.visitor.notesCount : 0, - FOLLOWERS_COUNT: opts.visitor ? opts.visitor.followersCount : 0, - FOLLOWING_COUNT: opts.visitor ? opts.visitor.followingCount : 0, - IS_CAT: opts.visitor ? opts.visitor.isCat : false, - SEED: opts.randomSeed ? opts.randomSeed : '', - YMD: `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`, - AISCRIPT_DISABLED: true, - NULL: null, - }; - - this.eval(); - } - - public eval() { - try { - this.vars.value = this.evaluateVars(); - } catch (err) { - //this.onError(e); - } - } - - public interpolate(str: string) { - if (str == null) return null; - return str.replace(/{(.+?)}/g, match => { - const v = unref(this.vars)[match.slice(1, -1).trim()]; - return v == null ? 'NULL' : v.toString(); - }); - } - - public registerCanvas(id: string, canvas: any) { - this.canvases[id] = canvas; - } - - public updatePageVar(name: string, value: any) { - const pageVar = this.pageVars.find(v => v.name === name); - if (pageVar !== undefined) { - pageVar.value = value; - } else { - throw new HpmlError(`No such page var '${name}'`); - } - } - - public updateRandomSeed(seed: string) { - this.opts.randomSeed = seed; - this.envVars.SEED = seed; - } - - private _interpolateScope(str: string, scope: HpmlScope) { - return str.replace(/{(.+?)}/g, match => { - const v = scope.getState(match.slice(1, -1).trim()); - return v == null ? 'NULL' : v.toString(); - }); - } - - public evaluateVars(): Record<string, any> { - const values: Record<string, any> = {}; - - for (const [k, v] of Object.entries(this.envVars)) { - values[k] = v; - } - - for (const v of this.pageVars) { - values[v.name] = v.value; - } - - for (const v of this.variables) { - values[v.name] = this.evaluate(v, new HpmlScope([values])); - } - - return values; - } - - private evaluate(expr: Expr, scope: HpmlScope): any { - if (isLiteralValue(expr)) { - if (expr.type === null) { - return null; - } - - if (expr.type === 'number') { - return parseInt((expr.value as any), 10); - } - - if (expr.type === 'text' || expr.type === 'multiLineText') { - return this._interpolateScope(expr.value || '', scope); - } - - if (expr.type === 'textList') { - return this._interpolateScope(expr.value || '', scope).trim().split('\n'); - } - - if (expr.type === 'ref') { - return scope.getState(expr.value); - } - - // Define user function - if (expr.type === 'fn') { - return { - slots: expr.value.slots.map(x => x.name), - exec: (slotArg: Record<string, any>) => { - return this.evaluate(expr.value.expression, scope.createChildScope(slotArg, expr.id)); - }, - } as Fn; - } - return; - } - - // Call user function - if (expr.type.startsWith('fn:')) { - const fnName = expr.type.split(':')[1]; - const fn = scope.getState(fnName); - const args = {} as Record<string, any>; - for (let i = 0; i < fn.slots.length; i++) { - const name = fn.slots[i]; - args[name] = this.evaluate(expr.args[i], scope); - } - return fn.exec(args); - } - - if (expr.args === undefined) return null; - - const funcs = initHpmlLib(expr, scope, this.opts.randomSeed, this.opts.visitor); - - // Call function - const fnName = expr.type; - const fn = (funcs as any)[fnName]; - if (fn == null) { - throw new HpmlError(`No such function '${fnName}'`); - } else { - return fn(...expr.args.map(x => this.evaluate(x, scope))); - } - } -} |