mirror of
https://github.com/cesanta/mongoose.git
synced 2024-11-24 02:59:01 +08:00
82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
// Copyright (c) 2024 Cesanta Software Limited
|
|
//
|
|
// Utility that generates packed filesystem C file compatible with the
|
|
// Mongoose Network Library, https://github.com/cesanta/mongoose
|
|
//
|
|
// Usage:
|
|
// node pack.js FILE[:DESTINATION[:gzip]] ...
|
|
|
|
const fs = require('fs');
|
|
const zlib = require('zlib');
|
|
const argv = process.argv.slice(2);
|
|
|
|
// Convert each command-line arguments into [ DATA_ARRAY, STRUCT_INITIALIZER ]
|
|
const entries = argv.map(function(filename, i) {
|
|
const parts = filename.split(':');
|
|
const stat = fs.statSync(parts[0]);
|
|
const data = fs.readFileSync(parts[0], null);
|
|
let bytes = Array.from(data);
|
|
let destination = (parts[1] || parts[0]).replace(/^\.+[\/\\]*/, '');
|
|
if (parts[2] == 'gzip') {
|
|
bytes = Array.from(zlib.gzipSync(data));
|
|
destination += '.gz';
|
|
}
|
|
|
|
// concat(0) appends trailing 0, in order to make any file an asciz string
|
|
return [
|
|
`static const unsigned char v${i}[] = {${bytes.concat(0).join(',')}};`,
|
|
` {"/${destination}", v${i}, sizeof(v${i}) - 1, ${parseInt(stat.mtimeMs / 1000)}}`,
|
|
];
|
|
});
|
|
|
|
process.stdout.write(`// DO NOT EDIT. This file is generated using this command:
|
|
// ${process.argv.join(' ')}
|
|
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
const char *mg_unlist(size_t no);
|
|
const char *mg_unpack(const char *, size_t *, time_t *);
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
${entries.map(x => x[0]).join('\n\n')}
|
|
|
|
static const struct packed_file {
|
|
const char *name;
|
|
const unsigned char *data;
|
|
size_t size;
|
|
time_t mtime;
|
|
} packed_files[] = {
|
|
${entries.map(x => x[1]).join(',\n')},
|
|
{NULL, NULL, 0, 0}
|
|
};
|
|
|
|
static int scmp(const char *a, const char *b) {
|
|
while (*a && (*a == *b)) a++, b++;
|
|
return *(const unsigned char *) a - *(const unsigned char *) b;
|
|
}
|
|
|
|
const char *mg_unlist(size_t no) {
|
|
return packed_files[no].name;
|
|
}
|
|
|
|
const char *mg_unpack(const char *name, size_t *size, time_t *mtime) {
|
|
const struct packed_file *p;
|
|
for (p = packed_files; p->name != NULL; p++) {
|
|
if (scmp(p->name, name) != 0) continue;
|
|
if (size != NULL) *size = p->size;
|
|
if (mtime != NULL) *mtime = p->mtime;
|
|
return (const char *) p->data;
|
|
}
|
|
return NULL;
|
|
};
|
|
`);
|