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filepart handling in IIP

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This commit is contained in:
Jörg Breitbart
2026-04-29 21:36:45 +02:00
parent ad4a6e8cb9
commit 9e27c7debb
3 changed files with 272 additions and 32 deletions
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addons/addon-image/src/IIPHeaderParser.test.ts
+129 -7
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@@ -4,19 +4,20 @@
*/
import { assert } from 'chai';
import { HeaderParser, HeaderState, IHeaderFields } from './IIPHeaderParser';
import { HeaderParser, HeaderState, IHeaderFields, SequenceType } from './IIPHeaderParser';
const CASES: [string, IHeaderFields][] = [
['File=size=123456;name=dGVzdA==:', {name: 'test', size: 123456}],
['File=size=123456;name=dGVzdA:', {name: 'test', size: 123456}],
['File=size=123456;name=dGVzdA==:', {type: SequenceType.FILE, name: 'test', size: 123456}],
['File=size=123456;name=dGVzdA:', {type: SequenceType.FILE, name: 'test', size: 123456}],
// utf-8 encoding in name
['File=size=123456;name=w7xtbMOkdXTDnw==:', {name: 'ümläutß', size: 123456}],
['File=size=123456;name=w7xtbMOkdXTDnw:', {name: 'ümläutß', size: 123456}],
['File=size=123456;name=w7xtbMOkdXTDnw==:', {type: SequenceType.FILE, name: 'ümläutß', size: 123456}],
['File=size=123456;name=w7xtbMOkdXTDnw:', {type: SequenceType.FILE, name: 'ümläutß', size: 123456}],
// full header spec
[
'File=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
{
type: SequenceType.FILE,
inline: 1,
width: '10px',
height: '20%',
@@ -28,6 +29,7 @@ const CASES: [string, IHeaderFields][] = [
[
'File=inline=1;width=auto;height=20;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw:',
{
type: SequenceType.FILE,
inline: 1,
width: 'auto',
height: '20',
@@ -101,7 +103,7 @@ describe('IIPHeaderParser', () => {
let res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, inp.length);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields, {name: 'test', size: 0});
assert.deepEqual(hp.fields, {type: SequenceType.FILE, name: 'test', size: 0});
hp.reset();
inp = fromBs(CASES[0][0]);
res = hp.parse(inp, 0, inp.length);
@@ -115,7 +117,7 @@ describe('IIPHeaderParser', () => {
let res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, inp.length);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields, {name: '', size: 123456});
assert.deepEqual(hp.fields, {type: SequenceType.FILE, name: '', size: 123456});
hp.reset();
inp = fromBs(CASES[0][0]);
res = hp.parse(inp, 0, inp.length);
@@ -135,4 +137,124 @@ describe('IIPHeaderParser', () => {
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields, CASES[0][1]);
});
it('FilePart sequence', () => {
const hp = new HeaderParser();
const inp = fromBs('FilePart=w7xtbMOkdXTDnw');
const res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, 9);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields.type, SequenceType.FILEPART);
});
it('FilePart sequence - bytewise', () => {
const hp = new HeaderParser();
const inp = fromBs('FilePart=w7xtbMOkdXTDnw');
let res = -2;
let pos = 0;
while (res === -2 && pos < inp.length) {
res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
}
assert.strictEqual(res, 1);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields.type, SequenceType.FILEPART);
});
it('MultipartFile sequence', () => {
const hp = new HeaderParser();
const inp = fromBs('MultipartFile=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw');
let res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.VALUE);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(
hp.fields,
{
type: SequenceType.MULTIPARTFILE,
inline: 1,
width: '10px',
height: '20%',
preserveAspectRatio: 1,
size: 123456,
name: 'ümläutß'
}
);
});
it('MultipartFile sequence - bytewise', () => {
const hp = new HeaderParser();
const inp = fromBs('MultipartFile=inline=1;width=10px;height=20%;preserveAspectRatio=1;size=123456;name=w7xtbMOkdXTDnw');
let res = -2;
let pos = 0;
while (res === -2 && pos < inp.length) {
res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
}
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.VALUE);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(
hp.fields,
{
type: SequenceType.MULTIPARTFILE,
inline: 1,
width: '10px',
height: '20%',
preserveAspectRatio: 1,
size: 123456,
name: 'ümläutß'
}
);
});
it('FileEnd sequence', () => {
const hp = new HeaderParser();
const inp = fromBs('FileEnd');
let res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.START);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields.type, SequenceType.FILEEND);
});
it('FileEnd sequence - bytewise', () => {
const hp = new HeaderParser();
const inp = fromBs('FileEnd');
let res = -2;
let pos = 0;
while (res === -2 && pos < inp.length) {
res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
}
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.START);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields.type, SequenceType.FILEEND);
});
it('ReportCellSize sequence', () => {
const hp = new HeaderParser();
const inp = fromBs('ReportCellSize');
let res = hp.parse(inp, 0, inp.length);
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.START);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields, { type: SequenceType.REPORTCELLSIZE });
});
it('ReportCellSize sequence - bytewise', () => {
const hp = new HeaderParser();
const inp = fromBs('ReportCellSize');
let res = -2;
let pos = 0;
while (res === -2 && pos < inp.length) {
res = hp.parse(new Uint32Array([inp[pos++]]), 0, 1);
}
assert.strictEqual(res, -2);
assert.strictEqual(hp.state, HeaderState.START);
res = hp.end();
assert.strictEqual(res, 0);
assert.strictEqual(hp.state, HeaderState.END);
assert.deepEqual(hp.fields, { type: SequenceType.REPORTCELLSIZE });
});
});