92 lines
3.4 KiB
Markdown
92 lines
3.4 KiB
Markdown
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# Go Text
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This repository holds supplementary Go libraries for text processing, many involving Unicode.
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## Semantic Versioning
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This repo uses Semantic versioning (http://semver.org/), so
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1. MAJOR version when you make incompatible API changes,
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1. MINOR version when you add functionality in a backwards-compatible manner,
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and
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1. PATCH version when you make backwards-compatible bug fixes.
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A Unicode major and minor version bump is mapped to a major version bump in
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x/text.
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A path version bump in Unicode is mapped to a minor version bump in x/text.
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Note that, consistent with the definitions in semver, until version 1.0.0 of
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x/text is reached, the minor version is considered a major version.
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So going from 0.1.0 to 0.2.0 is considered to be a major version bump.
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A major new CLDR version is mapped to a minor version increase in x/text.
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Any other new CLDR version is mapped to a patch version increase in x/text.
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## Download/Install
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The easiest way to install is to run `go get -u golang.org/x/text`. You can
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also manually git clone the repository to `$GOPATH/src/golang.org/x/text`.
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## Contribute
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To submit changes to this repository, see http://golang.org/doc/contribute.html.
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To generate the tables in this repository (except for the encoding tables),
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run go generate from this directory. By default tables are generated for the
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Unicode version in core and the CLDR version defined in
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golang.org/x/text/unicode/cldr.
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Running go generate will as a side effect create a DATA subdirectory in this
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directory, which holds all files that are used as a source for generating the
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tables. This directory will also serve as a cache.
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## Testing
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Run
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go test ./...
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from this directory to run all tests. Add the "-tags icu" flag to also run
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ICU conformance tests (if available). This requires that you have the correct
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ICU version installed on your system.
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TODO:
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- updating unversioned source files.
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## Generating Tables
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To generate the tables in this repository (except for the encoding
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tables), run `go generate` from this directory. By default tables are
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generated for the Unicode version in core and the CLDR version defined in
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golang.org/x/text/unicode/cldr.
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Running go generate will as a side effect create a DATA subdirectory in this
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directory which holds all files that are used as a source for generating the
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tables. This directory will also serve as a cache.
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## Versions
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To update a Unicode version run
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UNICODE_VERSION=x.x.x go generate
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where `x.x.x` must correspond to a directory in http://www.unicode.org/Public/.
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If this version is newer than the version in core it will also update the
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relevant packages there. The idna package in x/net will always be updated.
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To update a CLDR version run
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CLDR_VERSION=version go generate
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where `version` must correspond to a directory in
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http://www.unicode.org/Public/cldr/.
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Note that the code gets adapted over time to changes in the data and that
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backwards compatibility is not maintained.
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So updating to a different version may not work.
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The files in DATA/{iana|icu|w3|whatwg} are currently not versioned.
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## Report Issues / Send Patches
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This repository uses Gerrit for code changes. To learn how to submit changes to
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this repository, see https://golang.org/doc/contribute.html.
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The main issue tracker for the image repository is located at
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https://github.com/golang/go/issues. Prefix your issue with "x/image:" in the
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subject line, so it is easy to find.
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