Add a real, spec-compliant CSS3/4 engine (ported from ExCSS via PeachPDF) - #244

Merged

eXpl0it3r merged 29 commits into

ArthurHub:masterfrom

jhaygood86:feature/add-css-parser

Aug 21, 2026

Commits on Aug 17, 2026

Port of CSS engine from PeachPDF (ExCSS-based)

jhaygood86
authored and
eXpl0it3r
committed
32bfebe
Fix CalcSerializer

jhaygood86
authored and
eXpl0it3r
committed
ee33ec5
Replace custom CSS with standards

jhaygood86
authored and
eXpl0it3r
committed
dc1d358
Fixes <br>

jhaygood86
authored and
eXpl0it3r
committed
a138f82
CSS engine: sync enumerations, tokens and leaf value types

jhaygood86
authored and
eXpl0it3r
committed
5f3e5e5
CSS engine: sync CSS Color 4/5 color science

jhaygood86
authored and
eXpl0it3r
committed
e2bb79a
CSS engine: sync `@property` and the calc() time/resolution leaves

jhaygood86
authored and
eXpl0it3r
committed
1378b5f
CSS engine: sync CSS logical box-model properties

jhaygood86
authored and
eXpl0it3r
committed
f85cb0a
CSS engine: sync clip-path, aspect-ratio and box-shadow

jhaygood86
authored and
eXpl0it3r
committed
11ccaa9
CSS engine: sync value converter infrastructure and grid grammars

jhaygood86
authored and
eXpl0it3r
committed
785d7af
CSS engine: sync CSS Grid properties and factory registrations

jhaygood86
authored and
eXpl0it3r
committed
29ef53d
CSS engine: sync `@layer` and the user-preference media features

jhaygood86
authored and
eXpl0it3r
committed
7c0a7db
CSS engine: sync font-palette, `@font-palette-values` and palette-mix()

jhaygood86
authored and
eXpl0it3r
committed
37e7dc5
CSS engine: sync CSS Nesting, :where() and the parser conformance fixes

jhaygood86
authored and
eXpl0it3r
committed
a4ec615
CSS engine: sync trimming/AOT hardening and remaining property updates

jhaygood86
authored and
eXpl0it3r
committed
24e1ed9
Remove upstream-project references from source comments

jhaygood86
authored and
eXpl0it3r
committed
f63711d
CssData: index nested and layered rules; resolve colours through the engine

jhaygood86
authored and
eXpl0it3r
committed
72e6108
Evaluate `@media` against the platform, via two new adapter properties

jhaygood86
authored and
eXpl0it3r
committed
7d17c82
Re-evaluate `@media` when the viewport changes

jhaygood86
authored and
eXpl0it3r
committed
4bd84f3
Remove the -peachpdf-pdf-tag-type property

jhaygood86
authored and
eXpl0it3r
committed
1948fa3
Re-evaluate `@media` when the system colour scheme changes

jhaygood86
authored and
eXpl0it3r
committed
3d455c3
Fix regressions from the CSS engine port and update stale baselines

jhaygood86
authored and
eXpl0it3r
committed
3914baa
Fix font-family quote/list resolution and list-style-type: hebrew

jhaygood86
authored and
eXpl0it3r
committed
e3ee23a
Fix invalid font shorthand in Tables demo sample

jhaygood86
authored and
eXpl0it3r
committed
79c4010
Fix 1em to resolve against font-size, not line-height metric

jhaygood86
authored and
eXpl0it3r
committed
338d291
Port CSS float/clear layout from PeachPDF, fix box-sizing height/width bugs it exposed

jhaygood86
authored and
eXpl0it3r
committed
01de06a
Convert resource loading and the rendering pipeline to async, porting PeachPDF's RNetworkLoader

jhaygood86
authored and
eXpl0it3r
committed
6f277d0
Port CSS `@font-face` support from PeachPDF and switch demo fonts to bundled open-source families

jhaygood86
authored and
eXpl0it3r
committed
3f5555c
Make the prefers-color-scheme regression test independent of the host machine's Windows theme

jhaygood86
authored and
eXpl0it3r
committed
0431523

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Add a real, spec-compliant CSS3/4 engine (ported from ExCSS via PeachPDF) - #244

Add a real, spec-compliant CSS3/4 engine (ported from ExCSS via PeachPDF)#244
eXpl0it3r merged 29 commits into
ArthurHub:masterfrom
jhaygood86:feature/add-css-parser

Commits on Aug 17, 2026

Port of CSS engine from PeachPDF (ExCSS-based)

Fix CalcSerializer

Replace custom CSS with standards

Fixes <br>

CSS engine: sync enumerations, tokens and leaf value types

CSS engine: sync CSS Color 4/5 color science

CSS engine: sync `@property` and the calc() time/resolution leaves

CSS engine: sync CSS logical box-model properties

CSS engine: sync clip-path, aspect-ratio and box-shadow

CSS engine: sync value converter infrastructure and grid grammars

CSS engine: sync CSS Grid properties and factory registrations

CSS engine: sync `@layer` and the user-preference media features

CSS engine: sync font-palette, `@font-palette-values` and palette-mix()

CSS engine: sync CSS Nesting, :where() and the parser conformance fixes

CSS engine: sync trimming/AOT hardening and remaining property updates

Remove upstream-project references from source comments

CssData: index nested and layered rules; resolve colours through the engine

Evaluate `@media` against the platform, via two new adapter properties

Re-evaluate `@media` when the viewport changes

Remove the -peachpdf-pdf-tag-type property

Re-evaluate `@media` when the system colour scheme changes

Fix regressions from the CSS engine port and update stale baselines

Fix font-family quote/list resolution and list-style-type: hebrew

Fix invalid font shorthand in Tables demo sample

Fix 1em to resolve against font-size, not line-height metric

Port CSS float/clear layout from PeachPDF, fix box-sizing height/width bugs it exposed

Convert resource loading and the rendering pipeline to async, porting PeachPDF's RNetworkLoader

Port CSS `@font-face` support from PeachPDF and switch demo fonts to bundled open-source families

Make the prefers-color-scheme regression test independent of the host machine's Windows theme