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sch_test
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替换原本ole.js为cfb.js

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zcy 2024-02-11 13:08:35 +08:00
parent d3e33c2f4a
commit 436d87c64c
5 changed files with 4318 additions and 199 deletions
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113
altium_sch.html
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@ -7,6 +7,8 @@
<script type="text/javascript" src="altium_sch_document.js"></script> <script type="text/javascript" src="altium_sch_document.js"></script>
<script type="text/javascript" src="altium_sch_renderer.js"></script> <script type="text/javascript" src="altium_sch_renderer.js"></script>
<script type="text/javascript" src="test_schdoc.js"></script> <script type="text/javascript" src="test_schdoc.js"></script>
<script type="text/javascript" src="cfb.js"></script>
</head> </head>
<body> <body>
<div><input type="file" id="altium-file"></input></div> <div><input type="file" id="altium-file"></input></div>
@ -14,10 +16,11 @@
<div><pre id="results"></pre></div> <div><pre id="results"></pre></div>
<script type="text/javascript"> <script type="text/javascript">
renderSchematic(getTestFile()); // renderSchematic(getTestFile());
function readSchematicFile(e) function readSchematicFile(e)
{ {
console.log(e)
let file = e.target.files[0]; let file = e.target.files[0];
if (!file) if (!file)
{ {
@ -27,20 +30,118 @@ function readSchematicFile(e)
reader.onload = function(e) reader.onload = function(e)
{ {
let contents = e.target.result; let contents = e.target.result;
renderSchematic(contents); let cfbs = window.cfb
console.log(contents)
var dec = new TextDecoder("utf-8");
let arr = Array.prototype.slice.call(new Uint8Array(contents ));
var ss = cfbs.read(arr,{type: 'binary'});
console.log(ss)
var schdat = cfbs.find(ss, 'FileHeader');
var data = schdat.content;
let arrayBuffer = new Uint8Array(data).buffer;
console.log(dec.decode(arrayBuffer))
renderSchematic(arrayBuffer);
}; };
reader.readAsArrayBuffer(file); reader.readAsArrayBuffer(file);
} }
document.getElementById('altium-file').addEventListener('change', readSchematicFile, false); document.getElementById('altium-file').addEventListener('change', readSchematicFile, false);
// ArrayBuffer转16进制字符串
function ab2hex(buffer) {
const hexArr = Array.prototype.map.call(
new Uint8Array(buffer),
function (bit) {
return (('00' + bit.toString(16)).slice(-2) + " ")
}
)
return hexArr.join('')
}
function doSave(value, type, name) {
var blob;
if (typeof window.Blob == "function") {
blob = new Blob([value], {
type: type
});
} else {
var BlobBuilder = window.BlobBuilder || window.MozBlobBuilder || window.WebKitBlobBuilder || window.MSBlobBuilder;
var bb = new BlobBuilder();
bb.append(value);
blob = bb.getBlob(type);
}
var URL = window.URL || window.webkitURL;
var bloburl = URL.createObjectURL(blob);
var anchor = document.createElement("a");
if ('download' in anchor) {
anchor.style.visibility = "hidden";
anchor.href = bloburl;
anchor.download = name;
document.body.appendChild(anchor);
var evt = document.createEvent("MouseEvents");
evt.initEvent("click", true, true);
anchor.dispatchEvent(evt);
document.body.removeChild(anchor);
} else if (navigator.msSaveBlob) {
navigator.msSaveBlob(blob, name);
} else {
location.href = bloburl;
}
}
function arrayToAscii(strArray) {
return strArray.flatMap(str => {
// 將每個字符串轉換為字符數組
return Array.from(str, char => {
// 取得字符的Unicode編碼
const charCode = char.charCodeAt(0);
// 判斷是否為ASCII字符（0-127）
if (charCode <= 127) {
// 如果是ASCII字符，返回對應的ASCII值
return charCode;
} else {
// 如果不是ASCII字符，返回null或undefined（根據需要處理）
return null;
}
});
});
}
function renderSchematic(data) function renderSchematic(data)
{ {
let canvas = document.getElementById("canvas"); let canvas = document.getElementById("canvas");
let ole = new OLE(data); // console.log(new TextDecoder('utf-8').decod*****************e(fhData))
let fhEntry = ole.directory_entries.find((de) => de.name == "FileHeader"); let altiumDocument = new AltiumDocument(data);
let fhData = fhEntry.read_all();
let altiumDocument = new AltiumDocument(fhData);
window.altiumDocument = altiumDocument; window.altiumDocument = altiumDocument;
let renderer = new AltiumSchematicRenderer(canvas, altiumDocument); let renderer = new AltiumSchematicRenderer(canvas, altiumDocument);
renderer.render(); renderer.render();

11
altium_sch_document.js
View File

@ -45,17 +45,21 @@ class AltiumRecord
constructor(stream, index) constructor(stream, index)
{ {
this.record_index = index; this.record_index = index;
this.stream = stream; this.stream = new U8Stream(stream);
this.position = stream.u8stream_position; this.position = stream.u8stream_position;
this.payload_length = stream.read_u16_le(); this.payload_length = stream.read_u16_le();
this.padding = stream.read_u8(); this.padding = stream.read_u8();
if (this.padding != 0) if (this.padding != 0)
console.warn("Padding byte on record index " + index.toString() + " was non-zero."); console.warn("Padding byte on record index " + index.toString() + " was non-zero.");
this.record_type = stream.read_u8(); this.record_type = stream.read_u8();
console.warn(this.position)
if (this.record_type != 0) if (this.record_type != 0)
throw new Error("Invalid record type."); throw new Error("Invalid record type.");
this.data = stream.read(this.payload_length); this.data = stream.read(this.payload_length);
this.record_id = -1; this.record_id = -1;
console.warn(this.data)
console.log(new TextDecoder('utf-8').decode(this.data))
if (this.data.length > "|RECORD=255|".length) if (this.data.length > "|RECORD=255|".length)
{ {
// check if this starts with |RECORD= // check if this starts with |RECORD=
@ -679,11 +683,12 @@ class AltiumImplementationParameterList extends AltiumObject
class AltiumDocument class AltiumDocument
{ {
constructor(stream) constructor(streams)
{ {
this.stream = stream; this.stream = new U8Stream(streams);
this.records = []; this.records = [];
let index = -1; // header comes first, so give it an index of -1 let index = -1; // header comes first, so give it an index of -1
console.log(this.stream.length)
while (this.stream.u8stream_position < this.stream.length) while (this.stream.u8stream_position < this.stream.length)
{ {
this.records.push(new AltiumRecord(this.stream, index)); this.records.push(new AltiumRecord(this.stream, index));

1
altium_sch_renderer.js
View File

@ -150,7 +150,6 @@ class AltiumSchematicRenderer
} }
results.innerText = bom.join("\n"); results.innerText = bom.join("\n");
for (let obj of doc.objects.filter((o) => o instanceof AltiumWire)) for (let obj of doc.objects.filter((o) => o instanceof AltiumWire))
{ {
if (!this.#shouldShow(obj)) continue; if (!this.#shouldShow(obj)) continue;

4203
cfb.js Normal file
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File diff suppressed because it is too large Load Diff

189
ole.js
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@ -1,189 +0,0 @@
/*
altium.js OLE parser
Copyright (c) 2022 Graham Sutherland
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
class OLE
{
static get ExpectedMagicNumber() { return new Uint8Array([ 0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1 ]) }
static get ExpectedMajorVersion() { return 0x0003; }
static get ExpectedMinorVersion() { return 0x003E; }
static get ExpectedByteOrder() { return 0xFFFE; }
static get ExpectedSectorShift() { return 0x0009; }
static get ExpectedMiniSectorShift() { return 0x0006; }
static get ExpectedNumberOfDirectorySectors() { return 0; }
constructor(fileData)
{
this.stream = new U8Stream(fileData);
if (fileData.length < 76)
{
throw new Error("File is too small to be a valid OLE compound document.");
}
this.header = {};
this.header.signature = this.stream.read(8);
if (!this.header.signature.compare_to(OLE.ExpectedMagicNumber))
{
throw new Error("File does not start with the correct OLE header signature.");
}
this.header.clsid = this.stream.read(16);
if (!this.header.clsid.every((b) => b === 0))
{
console.warn("OLE header CLSID was not set to all zeroes.");
}
this.header.minor_version = this.stream.read_u16_le();
this.header.major_version = this.stream.read_u16_le();
if (this.header.major_version != OLE.ExpectedMajorVersion || this.header.minor_version != OLE.ExpectedMinorVersion)
{
throw new Error("OLE header does not have expected OLE version number.");
}
this.header.byte_order = this.stream.read_u16_le();
if (this.header.byte_order != OLE.ExpectedByteOrder)
{
throw new Error("OLE header does not have expected byte order value.");
}
this.header.sector_shift = this.stream.read_u16_le();
if (this.header.sector_shift != OLE.ExpectedSectorShift)
{
throw new Error("OLE header does not have expected sector shift value.");
}
this.header.sector_size = 1 << this.header.sector_shift;
this.header.mini_sector_shift = this.stream.read_u16_le();
if (this.header.mini_sector_shift != OLE.ExpectedMiniSectorShift)
{
throw new Error("OLE header does not have expected mini sector shift value.");
}
this.header.mini_sector_size = 1 << this.header.mini_sector_shift;
if (!this.stream.read(6).every((b) => b === 0))
{
console.warn("OLE header reserved field was not set to all zeroes.");
}
// directory sectors are unsupported for V3
this.header.directory_sector_count = this.stream.read_u32_le();
if (this.header.directory_sector_count != OLE.ExpectedNumberOfDirectorySectors)
{
throw new Error("OLE header does not have expected number of directory sectors.");
}
this.header.fat_sector_count = this.stream.read_u32_le();
this.header.first_directory_sector_location = this.stream.read_u32_le();
this.header.transaction_signature_number = this.stream.read_u32_le();
this.header.mini_stream_cutoff_size = this.stream.read_u32_le();
this.header.fist_mini_fat_sector_location = this.stream.read_u32_le();
this.header.number_of_mini_fat_sectors = this.stream.read_u32_le();
this.header.first_difat_sector_location = this.stream.read_u32_le();
this.header.number_of_difat_sectors = this.stream.read_u32_le();
this.header.difat = new Uint32Array(this.stream.read(436, true));
this.fat_sectors = [];
for (let i = 0; i < 109; i++)
{
this.fat_sectors[i] = new FATSector(this, this.header.difat[i]);
}
this.directory_entries = [];
this.directory_entries[0] = new DirectoryEntry(this, (this.header.first_directory_sector_location + 1) * this.header.sector_size);
this.directory_entries[1] = new DirectoryEntry(this, (this.header.first_directory_sector_location + 1) * this.header.sector_size + 128);
this.directory_entries[2] = new DirectoryEntry(this, (this.header.first_directory_sector_location + 1) * this.header.sector_size + 256);
this.directory_entries[3] = new DirectoryEntry(this, (this.header.first_directory_sector_location + 1) * this.header.sector_size + 384);
}
}
class FATSector
{
constructor(ole, sector_location)
{
this.ole = ole;
this.sector_location = sector_location;
const typeMap = [
{ value: 0xFFFFFFFC, name: "DIFSECT" },
{ value: 0xFFFFFFFD, name: "FATSECT" },
{ value: 0xFFFFFFFE, name: "ENDOFCHAIN" },
{ value: 0xFFFFFFFF, name: "FREESECT" },
];
if (this.sector_location >= 0xFFFFFFC)
{
this.entries = [];
this.type = typeMap.find(tm => tm.value == this.sector_location).name;
}
else
{
this.type = "FAT";
ole.stream.seek_to((this.sector_location + 1) * ole.header.sector_size);
this.entries = new Uint32Array(ole.stream.read(ole.header.sector_size - 4, true));
this.next_difat_sector = ole.stream.read_u32_le();
}
}
}
class DirectoryEntry
{
constructor(ole, position)
{
this.ole = ole;
this.position = position;
ole.stream.seek_to(position);
let name_bytes = ole.stream.read(64);
let name_len = ole.stream.read_u16_le();
if (name_len > 64)
{
throw new Error("Name length field exceeded maximum size of 64.");
}
this.name_field_length = name_len;
this.name = new TextDecoder("utf-16").decode(name_bytes.slice(0, name_len));
if (this.name.endsWith("\u0000"))
this.name = this.name.slice(0, this.name.indexOf("\u0000"));
this.object_type = ole.stream.read_u8();
this.colour_flag = ole.stream.read_u8();
this.left_sibling = ole.stream.read_u32_le();
this.right_sibling = ole.stream.read_u32_le();
this.child_id = ole.stream.read_u32_le();
this.clsid = ole.stream.read(16);
this.state_bits = ole.stream.read_u32_le();
this.creation_time = ole.stream.read_u64_le();
this.modified_time = ole.stream.read_u64_le();
this.starting_sector_location = ole.stream.read_u32_le();
this.stream_size = ole.stream.read_u64_le();
}
read_all()
{
this.ole.stream.seek_to((this.starting_sector_location + 1) * this.ole.header.sector_size);
return new U8Stream(this.ole.stream.read(Number(this.stream_size)));
}
}