mirror of
https://github.com/cesanta/mongoose.git
synced 2024-12-14 00:31:42 +08:00
106 lines
2.3 KiB
JavaScript
106 lines
2.3 KiB
JavaScript
// Copyright (c) 2013-2024 Cesanta Software Limited
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const Pack = async function(files) {
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let out = `// DO NOT EDIT. This file is generated
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#include <stddef.h>
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#include <string.h>
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#include <time.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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const char *mg_unlist(size_t no);
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const char *mg_unpack(const char *, size_t *, time_t *);
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#if defined(__cplusplus)
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}
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#endif
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`;
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//const str2bytes = str => new TextEncoder().encode(str);
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let no = 1;
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for (const f of files) {
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let byteArray = new TextEncoder().encode(f.data);
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if (f.zip) {
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const cs = new CompressionStream('gzip');
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const writer = cs.writable.getWriter();
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writer.write(byteArray);
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writer.close();
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const resp = new Response(cs.readable);
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const arr = await resp.arrayBuffer();
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byteArray = new Uint8Array(arr);
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}
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const bytes = Array.from(byteArray);
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// console.log(f.path, bytes);
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out += `
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static const unsigned char v${no}[] = {`;
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// concat(0) appends trailing 0, in order to make any file an asciz string
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out += bytes.concat(0).join(',');
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out +=`};`;
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no++;
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}
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out += `
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static const struct packed_file {
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const char *name;
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const unsigned char *data;
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size_t size;
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time_t mtime;
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} packed_files[] = {`;
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no = 1;
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for (const f of files) {
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out += `
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{"/${f.path}${f.zip ? '.gz' : ''}", v${no}, sizeof(v${no}), 0},`;
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no++;
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}
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out +=`
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{NULL, NULL, 0, 0}
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};
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`;
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out += `
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static int scmp(const char *a, const char *b) {
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while (*a && (*a == *b)) a++, b++;
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return *(const unsigned char *) a - *(const unsigned char *) b;
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}
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const char *mg_unlist(size_t no) {
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return packed_files[no].name;
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}
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const char *mg_unpack(const char *name, size_t *size, time_t *mtime) {
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const struct packed_file *p;
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for (p = packed_files; p->name != NULL; p++) {
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if (scmp(p->name, name) != 0) continue;
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if (size != NULL) *size = p->size - 1;
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if (mtime != NULL) *mtime = p->mtime;
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return (const char *) p->data;
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}
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return NULL;
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};
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`;
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return out;
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};
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// Script entry point
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const fs = require('fs');
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const path = require('path');
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const [, , ...args] = process.argv;
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const files = args.map(f => ({
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path: f,
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data: fs.readFileSync(f, 'utf8'),
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zip: !!f.match(/web_root\/.+/),
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}));
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(async () => {
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const text = await Pack(files);
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process.stdout.write(text);
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})();
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