mirror of
https://github.com/Ratstail91/sineQL.git
synced 2025-11-29 02:34:28 +11:00
Created the type graph
This commit is contained in:
23
.gitignore
vendored
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23
.gitignore
vendored
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@@ -0,0 +1,23 @@
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#directories
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logs/**
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/**/coverage
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/**/node_modules
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/**/dl
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|
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#passwords
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/**/*.pwd
|
||||
auth.json
|
||||
.env
|
||||
|
||||
#log files
|
||||
/**/*.log
|
||||
|
||||
#output files
|
||||
public/*.html
|
||||
public/*.js
|
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public/*.css
|
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public/*.map
|
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public/*.gz
|
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|
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# Non npm lock files
|
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yarn.lock
|
||||
49
docs/notes.md
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49
docs/notes.md
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@@ -0,0 +1,49 @@
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simpleQL is a web API query language that mimics graphQL, designed solely for fun.
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simpleQL consists of two languages - the schema language, and the query language. The schema language is a layout of how queries should be made, as well as what can be made with them.
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There are two built-in keywords for the schema language:
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||||
|
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* type
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* scalar
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`type` is used for defining new compound types. `scalar` is for defining new scalar types, such as `Date`.
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|
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The built-in types for the schema language are:
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* String
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* Integer
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* Float
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* Boolean
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These can be combined into compound types as so:
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||||
|
||||
```
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||||
scalar Date
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||||
|
||||
type Book {
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||||
String title
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||||
Author author
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||||
Date published
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||||
}
|
||||
|
||||
type Author {
|
||||
!String name
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||||
!Book[] books
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||||
}
|
||||
```
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||||
|
||||
The query langauge can be used to request data from a server, either in whole or in part by listing it's type and it's fields, and subfields.
|
||||
|
||||
```
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||||
Book {
|
||||
title
|
||||
author {
|
||||
name
|
||||
books {
|
||||
title
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
374
package-lock.json
generated
Normal file
374
package-lock.json
generated
Normal file
@@ -0,0 +1,374 @@
|
||||
{
|
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"name": "simpleql",
|
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"version": "1.0.0",
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"lockfileVersion": 1,
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"negotiator": "0.6.2"
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"integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
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"body-parser": {
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"depd": "~1.1.2",
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"http-errors": "1.7.2",
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"iconv-lite": "0.4.24",
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"on-finished": "~2.3.0",
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"qs": "6.7.0",
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"raw-body": "2.4.0",
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"type-is": "~1.6.17"
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}
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"bytes": {
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"safe-buffer": "5.1.2",
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"send": "0.17.1",
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}
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||||
},
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"safe-buffer": {
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||||
"version": "5.1.2",
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"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
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},
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"safer-buffer": {
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"version": "2.1.2",
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"resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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"integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
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},
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"send": {
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"version": "0.17.1",
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"resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
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"integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
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"requires": {
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"debug": "2.6.9",
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"depd": "~1.1.2",
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"destroy": "~1.0.4",
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"encodeurl": "~1.0.2",
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"escape-html": "~1.0.3",
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||||
"etag": "~1.8.1",
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"fresh": "0.5.2",
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||||
"http-errors": "~1.7.2",
|
||||
"mime": "1.6.0",
|
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"ms": "2.1.1",
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||||
"on-finished": "~2.3.0",
|
||||
"range-parser": "~1.2.1",
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"statuses": "~1.5.0"
|
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},
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"dependencies": {
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"ms": {
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"version": "2.1.1",
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"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
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"integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
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}
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}
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},
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"serve-static": {
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"version": "1.14.1",
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"resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
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"requires": {
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"encodeurl": "~1.0.2",
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"escape-html": "~1.0.3",
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"parseurl": "~1.3.3",
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"send": "0.17.1"
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||||
}
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},
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"setprototypeof": {
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"version": "1.1.1",
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"resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
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"integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
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},
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"statuses": {
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"version": "1.5.0",
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"resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
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"integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
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},
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"toidentifier": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
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"integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
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},
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||||
"type-is": {
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"version": "1.6.18",
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||||
"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
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"integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
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"requires": {
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"media-typer": "0.3.0",
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"mime-types": "~2.1.24"
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}
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},
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"unpipe": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
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"integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
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},
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"utils-merge": {
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"version": "1.0.1",
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"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
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},
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"vary": {
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"version": "1.1.2",
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"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
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"integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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||||
}
|
||||
}
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||||
}
|
||||
17
package.json
Normal file
17
package.json
Normal file
@@ -0,0 +1,17 @@
|
||||
{
|
||||
"name": "simpleql",
|
||||
"version": "1.0.0",
|
||||
"description": "",
|
||||
"main": "server/server.js",
|
||||
"directories": {
|
||||
"doc": "docs"
|
||||
},
|
||||
"scripts": {
|
||||
"node": "node server/server.js"
|
||||
},
|
||||
"author": "Kayne Ruse",
|
||||
"license": "ISC",
|
||||
"dependencies": {
|
||||
"express": "^4.17.1"
|
||||
}
|
||||
}
|
||||
14
server/schema.js
Normal file
14
server/schema.js
Normal file
@@ -0,0 +1,14 @@
|
||||
module.exports = `
|
||||
scalar Date
|
||||
|
||||
type Book {
|
||||
String title
|
||||
Author author
|
||||
Date published
|
||||
}
|
||||
|
||||
type Author {
|
||||
!String name
|
||||
!Book[] books
|
||||
}
|
||||
`;
|
||||
21
server/server.js
Normal file
21
server/server.js
Normal file
@@ -0,0 +1,21 @@
|
||||
//express for testing
|
||||
const express = require('express');
|
||||
const path = require('path');
|
||||
const app = express();
|
||||
|
||||
//test the library
|
||||
const schema = require('./schema.js');
|
||||
//const handler = requre('./handler.js');
|
||||
const simpleQL = require('./simpleQL');
|
||||
|
||||
const simple = simpleQL(schema);
|
||||
|
||||
//open the end
|
||||
app.post('simpleQL', (req, res) => {
|
||||
res.status(200).send(simple(req.body));
|
||||
});
|
||||
|
||||
//startup
|
||||
app.listen(process.env.WEB_PORT || 3100, (err) => {
|
||||
console.log(`listening to *:${process.env.WEB_PORT || 3100}`);
|
||||
});
|
||||
104
server/simpleQL/index.js
Normal file
104
server/simpleQL/index.js
Normal file
@@ -0,0 +1,104 @@
|
||||
//the main function to be returned
|
||||
const main = (schema, handler) => {
|
||||
const typeGraph = buildTypeGraph(schema);
|
||||
|
||||
console.log(typeGraph);
|
||||
|
||||
//the receiving function - this will be called multiple times
|
||||
return reqBody => {
|
||||
return '';
|
||||
};
|
||||
};
|
||||
|
||||
//parse the schema into a type graph
|
||||
const buildTypeGraph = schema => {
|
||||
//the default graph
|
||||
let graph = {
|
||||
String: { scalar: true },
|
||||
Integer: { scalar: true },
|
||||
Float: { scalar: true },
|
||||
Boolean: { scalar: true },
|
||||
};
|
||||
|
||||
//parse the schema
|
||||
const tokens = schema.split(/(\s+)/).filter(s => s.trim().length > 0);
|
||||
let pos = 0;
|
||||
|
||||
while (tokens[pos]) {
|
||||
//check for keywords
|
||||
switch(tokens[pos++]) {
|
||||
case 'type':
|
||||
graph[tokens[pos]] = parseCompoundType(tokens, pos);
|
||||
|
||||
//advance to the end of the compound type
|
||||
while(tokens[pos] && tokens[pos++] != '}');
|
||||
|
||||
break;
|
||||
|
||||
case 'scalar':
|
||||
graph[tokens[pos++]] = { scalar: true };
|
||||
break;
|
||||
|
||||
default:
|
||||
throw 'Unknown token ' + tokens[pos -1];
|
||||
}
|
||||
}
|
||||
|
||||
return graph;
|
||||
};
|
||||
|
||||
const parseCompoundType = (tokens, pos) => {
|
||||
pos++; //eat the compound name
|
||||
|
||||
//format check (not strictly necessary, but it looks nice)
|
||||
if (tokens[pos++] != '{') {
|
||||
throw 'Expected \'{\' in compound type definition';
|
||||
}
|
||||
|
||||
//graph component to be returned
|
||||
const compound = {};
|
||||
|
||||
//for each line of the compound type
|
||||
while (tokens[pos] && tokens[pos] != '}') {
|
||||
let type = tokens[pos++];
|
||||
const name = tokens[pos++];
|
||||
|
||||
//parse the extra typing data
|
||||
let array = false;
|
||||
let nullable = true;
|
||||
|
||||
//not nullable
|
||||
if (type[0] === '!') {
|
||||
nullable = false;
|
||||
type = type.slice(1);
|
||||
}
|
||||
|
||||
//is array
|
||||
if (type.endsWith('[]')) {
|
||||
array = true;
|
||||
type = type.slice(0, type.length - 2);
|
||||
}
|
||||
|
||||
//no mangled types or names
|
||||
checkAlphaNumeric(type);
|
||||
checkAlphaNumeric(name);
|
||||
|
||||
//finally, push to the compound definition
|
||||
compound[name] = {
|
||||
typeName: type,
|
||||
array: array,
|
||||
nullable: nullable,
|
||||
};
|
||||
}
|
||||
|
||||
return compound;
|
||||
}
|
||||
|
||||
const checkAlphaNumeric = (str) => {
|
||||
if (!/^[a-z0-9]+$/i.test(str)) {
|
||||
throw 'Unexpected string ' + str;
|
||||
}
|
||||
};
|
||||
|
||||
//return
|
||||
module.exports = main;
|
||||
Reference in New Issue
Block a user