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Release 1.0.0#157

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FlorianRappl wants to merge 109 commits into
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Open

Release 1.0.0#157
FlorianRappl wants to merge 109 commits into
mainfrom
devel

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@FlorianRappl

@FlorianRappl FlorianRappl commented Jan 18, 2024

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Types of Changes

Prerequisites

Please make sure you can check the following two boxes:

  • I have read the CONTRIBUTING document
  • My code follows the code style of this project

Contribution Type

What types of changes does your code introduce? Put an x in all the boxes that apply:

  • Bug fix (non-breaking change which fixes an issue, please reference the issue id)
  • New feature (non-breaking change which adds functionality, make sure to open an associated issue first)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • My change requires a change to the documentation
  • I have updated the documentation accordingly
  • I have added tests to cover my changes
  • All new and existing tests passed

Description

This is the 1.0.0 release of AngleSharp.Css - effectively being compatible with AngleSharp v1 and bringing the CSSOM to a good state.

Current status:

  • Enhancements for the API (easier to make an analysis / change an analysis)
  • Improvements for the CSSOM (dedicated <percentage>, <number> and <integer> types)
  • Tests and enhancements for the render tree model / render tree API
  • Documentation with some examples

Potentially we'll also include some perf. enhancements, but most likely this is done in a subsequent release. Current goal is to ship this with a stable basis.

jafin added 4 commits March 28, 2026 21:14
…e between elements

Use NextElementSibling instead of NextSibling for table cell and row
sibling checks, so whitespace text nodes between elements don't prevent
tab/newline insertion.
Drop EOL frameworks (net6.0, net7.0, net461) and add net10.0.
Simplify conditional TFM by appending Windows-only targets (net462, net472)
to the base list.
- Cache computed styles in a dictionary across the entire traversal so
  the same element is never computed twice (hit as element, parent, and
  sibling).
- Hoist StyleCollection creation to the top of GetInnerText and reuse it
  throughout, eliminating repeated stylesheet enumeration and LINQ
  allocations.
- When the parent's computed style is already cached, use incremental
  computation (ComputeDeclarationsWithParent) that inherits from the
  cached parent instead of walking all ancestors - replacing the O(depth)
  ancestor loop with a single UpdateDeclarations call.
Files with non-trivial nullable warnings get #nullable disable to preserve current
behavior.
FlorianRappl and others added 14 commits March 28, 2026 14:07
Update target frameworks to netstandard2.0, net8.0, and net10.0
Optimize GetInnerText with style caching and incremental computation
…lings

Fix GetInnerText skipping table tabs/newlines when HTML has whitespace between elements
Update AngleSharp to 1.4.0 and add System.Memory for older TFMs
Enable nullable reference types solution-wide (but #nullable disabled marked for existing code)
Multi-target AngleSharp.Performance.Css to net472;net10.0 so that
Alba.CsCss (which only supports net462/net472) is excluded from the
net10.0 build. Update ExCSS from 2.0.6 to 4.3.1 and adapt to its
renamed StylesheetParser API.
Replace the custom TestSuite/ITestee infrastructure with BenchmarkDotNet
for statistically rigorous benchmarking with memory diagnostics. Inline
parser logic into a single CssParserBenchmarks class parameterized by
CSS sample file. Add benchmark usage instructions to README.
- Rewrite ContentFrom() to scan chars directly instead of
  re-invoking the full tokenizer, eliminating double-tokenization
- Cache single-char token strings via static lookup table,
  remove unused CssStringToken/CssUrlToken/CssCommentToken subclasses
- Add ToLowerFast() to skip allocation when strings are already
  lowercase, use StringBuilder for custom property name concatenation
- Replace @-rule if-else chain with dictionary dispatch, add
  dictionary index to CssStyleDeclaration for O(1) property lookups
- Avoid double-array allocation in PeriodicValueConverter when all
  4 values are present
Fix performance benchmark TFM compatibility. Update to latest ExCSS ver
CssPeriodicValue.CssText throws if any of the items in _values array is
null. This change makes CssText return an empty string if a null value
is found during the iteration.
Fix NullReferenceException in CssPeriodicValue
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