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‎.github/workflows/release.yml

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name: Release
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on:
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push:
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tags:
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- 'v*'
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jobs:
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build:
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runs-on: macos-latest
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steps:
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- uses: actions/checkout@v3
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- name: Set up Go
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uses: actions/setup-go@v4
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with:
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go-version: '>=1.19.0'
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- name: Build
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run: go build -v -o md2cb
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- name: Create Release
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id: create_release
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uses: actions/create-release@v1
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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with:
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tag_name: ${{ github.ref }}
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release_name: Release ${{ github.ref }}
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draft: false
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prerelease: false
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- name: Upload Release Asset
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uses: actions/upload-release-asset@v1
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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with:
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upload_url: ${{ steps.create_release.outputs.upload_url }}
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asset_path: ./md2cb
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asset_name: md2cb
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asset_content_type: application/octet-stream

‎LICENSE.txt

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MIT License
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Copyright (c) 2024 Hans Raaf
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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# md2cb - Markdown to Clipboard with Rich Text support
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A simple command line tool that converts markdown to rich text and copies it to the clipboard. Perfect for converting markdown tables to rich text that can be pasted into applications that support formatted text.
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## Requirements
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- macOS (uses native Cocoa framework for clipboard operations)
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- Go 1.17 or later
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- pandoc (`brew install pandoc`)
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## Installation
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```bash
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go install github.com/oderwat/md2cb@latest
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```
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Or download the latest release from the [releases page](https://github.com/oderwat/md2cb/releases).
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## Usage
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The program reads markdown from stdin and places the converted rich text on the clipboard:
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```bash
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echo "| Header | Content |
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|-|-|
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| Cell 1 | Cell 2 |" | md2cb
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```
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Or read from a file:
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```bash
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cat your_table.md | md2cb
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```
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## How it Works
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1. Uses pandoc to convert markdown to HTML
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2. Converts the HTML to rich text using macOS's native NSAttributedString
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3. Places the result on the clipboard in both HTML and rich text formats
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4. Ready to paste into any application that supports formatted text
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## License
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MIT License - see [LICENSE.txt](LICENSE.txt) file

‎go.mod

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module github.com/oderwat/md2cb
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go 1.23.4
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require golang.design/x/clipboard v0.7.0
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require (
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github.com/progrium/darwinkit v0.5.0 // indirect
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golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 // indirect
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golang.org/x/image v0.6.0 // indirect
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golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c // indirect
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golang.org/x/sys v0.5.0 // indirect
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)

‎go.sum

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github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
2+
github.com/progrium/darwinkit v0.5.0 h1:SwchcMbTOG1py3CQsINmGlsRmYKdlFrbnv3dE4aXA0s=
3+
github.com/progrium/darwinkit v0.5.0/go.mod h1:PxQhZuftnALLkCVaR8LaHtUOfoo4pm8qUDG+3C/sXNs=
4+
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
5+
golang.design/x/clipboard v0.7.0 h1:4Je8M/ys9AJumVnl8m+rZnIvstSnYj1fvzqYrU3TXvo=
6+
golang.design/x/clipboard v0.7.0/go.mod h1:PQIvqYO9GP29yINEfsEn5zSQKAz3UgXmZKzDA6dnq2E=
7+
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
8+
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
9+
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
10+
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 h1:estk1glOnSVeJ9tdEZZc5mAMDZk5lNJNyJ6DvrBkTEU=
11+
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
12+
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
13+
golang.org/x/image v0.6.0 h1:bR8b5okrPI3g/gyZakLZHeWxAR8Dn5CyxXv1hLH5g/4=
14+
golang.org/x/image v0.6.0/go.mod h1:MXLdDR43H7cDJq5GEGXEVeeNhPgi+YYEQ2pC1byI1x0=
15+
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
16+
golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c h1:Gk61ECugwEHL6IiyyNLXNzmu8XslmRP2dS0xjIYhbb4=
17+
golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c/go.mod h1:aAjjkJNdrh3PMckS4B10TGS2nag27cbKR1y2BpUxsiY=
18+
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
19+
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
20+
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
21+
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
22+
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
23+
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
24+
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
25+
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
26+
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
27+
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
28+
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
29+
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
30+
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
31+
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
32+
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
33+
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
34+
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
35+
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
36+
golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
37+
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
38+
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
39+
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
40+
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
41+
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
42+
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
43+
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
44+
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
45+
golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
46+
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
47+
golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
48+
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
49+
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
50+
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
51+
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

‎main.go

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package main
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/*
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#cgo CFLAGS: -x objective-c
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#cgo LDFLAGS: -framework Foundation -framework AppKit
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#import <Foundation/Foundation.h>
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#import <AppKit/AppKit.h>
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void copyToClipboard(const char* html) {
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@autoreleasepool {
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NSString *htmlString = [NSString stringWithUTF8String:html];
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NSData *htmlData = [htmlString dataUsingEncoding:NSUTF8StringEncoding];
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NSDictionary *options = @{
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NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType,
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NSCharacterEncodingDocumentAttribute: @(NSUTF8StringEncoding)
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};
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NSAttributedString *attributedString = [[NSAttributedString alloc]
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initWithData:htmlData
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options:options
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documentAttributes:nil
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error:nil];
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NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
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[pasteboard clearContents];
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[pasteboard writeObjects:@[attributedString]];
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}
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}
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*/
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import "C"
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"unsafe"
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)
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func convertMarkdownToHTML(markdown string) (string, error) {
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cmd := exec.Command("pandoc", "-f", "markdown", "-t", "html")
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cmd.Stdin = bytes.NewBufferString(markdown)
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var out bytes.Buffer
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var stderr bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &stderr
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if err := cmd.Run(); err != nil {
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return "", fmt.Errorf("error running pandoc: %v - %s", err, stderr.String())
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}
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return out.String(), nil
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}
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func copyToClipboardGo(html string) error {
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// Format as complete HTML document
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doc := fmt.Sprintf(`<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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table { border-collapse: collapse; }
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th, td { border: 1px solid black; padding: 8px; }
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</style>
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</head>
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<body>
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%s
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</body>
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</html>`, html)
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cstr := C.CString(doc)
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defer C.free(unsafe.Pointer(cstr))
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C.copyToClipboard(cstr)
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return nil
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}
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func main() {
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input, err := io.ReadAll(os.Stdin)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error reading from stdin: %v\n", err)
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os.Exit(1)
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}
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if len(input) == 0 {
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fmt.Fprintf(os.Stderr, "No input received on stdin\n")
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os.Exit(1)
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}
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html, err := convertMarkdownToHTML(string(input))
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error converting markdown: %v\n", err)
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os.Exit(1)
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}
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if err := copyToClipboardGo(html); err != nil {
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fmt.Fprintf(os.Stderr, "Error copying to clipboard: %v\n", err)
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os.Exit(1)
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}
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fmt.Fprintf(os.Stderr, "Content copied to clipboard successfully!\n")
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}

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