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

Open

jhaygood86 wants to merge 26 commits into

ArthurHub:masterfrom

jhaygood86:feature/add-css-parser

Commits on Aug 8, 2026

Port of CSS engine from PeachPDF (ExCSS-based)
jhaygood86
committed
234f3e0
Fix CalcSerializer
jhaygood86
committed
228e539
Replace custom CSS with standards
jhaygood86
committed
2b081f7
Fixes <br>
jhaygood86
committed
5c53c38
CSS engine: sync enumerations, tokens and leaf value types

jhaygood86
and
claude
committed
a70acb2
CSS engine: sync CSS Color 4/5 color science

jhaygood86
and
claude
committed
1398a3f
CSS engine: sync @property and the calc() time/resolution leaves

jhaygood86
and
claude
committed
ee70b9d
CSS engine: sync CSS logical box-model properties

jhaygood86
and
claude
committed
81f66ef
CSS engine: sync clip-path, aspect-ratio and box-shadow

jhaygood86
and
claude
committed
46c6131
CSS engine: sync value converter infrastructure and grid grammars

jhaygood86
and
claude
committed
3c5bd91
CSS engine: sync CSS Grid properties and factory registrations

jhaygood86
and
claude
committed
d1a3975
CSS engine: sync @layer and the user-preference media features

jhaygood86
and
claude
committed
62fc867
CSS engine: sync font-palette, @font-palette-values and palette-mix()

jhaygood86
and
claude
committed
4e9c10b
CSS engine: sync CSS Nesting, :where() and the parser conformance fixes

jhaygood86
and
claude
committed
075b257
CSS engine: sync trimming/AOT hardening and remaining property updates

jhaygood86
and
claude
committed
fe4f4bc
Remove upstream-project references from source comments

jhaygood86
and
claude
committed
8318cff
CssData: index nested and layered rules; resolve colours through the engine

jhaygood86
and
claude
committed
2bbd92f
Evaluate @media against the platform, via two new adapter properties

jhaygood86
and
claude
committed
4adbad2
Re-evaluate @media when the viewport changes

jhaygood86
and
claude
committed
6ec6cbd
Remove the -peachpdf-pdf-tag-type property

jhaygood86
and
claude
committed
2c56875
Re-evaluate @media when the system colour scheme changes

jhaygood86
and
claude
committed
850aab4

Commits on Aug 9, 2026

Fix regressions from the CSS engine port and update stale baselines

jhaygood86
and
claude
committed
7cea1c5
Fix font-family quote/list resolution and list-style-type: hebrew

jhaygood86
and
claude
committed
a80adb3
Fix invalid font shorthand in Tables demo sample

jhaygood86
and
claude
committed
6467f41
Fix 1em to resolve against font-size, not line-height metric

jhaygood86
and
claude
committed
f06a32b
Port CSS float/clear layout from PeachPDF, fix box-sizing height/width bugs it exposed

jhaygood86
and
claude
committed
88ba108

Navigation Menu

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
jhaygood86 wants to merge 26 commits into
ArthurHub:masterfrom
jhaygood86:feature/add-css-parser

Commits on Aug 8, 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

Commits on Aug 9, 2026

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