NBash

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/**
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The code below is based on the Doxygen Awesome project, see
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https://github.com/jothepro/doxygen-awesome-css
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MIT License
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Copyright (c) 2021 - 2022 jothepro
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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.
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*/
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let clipboard_title = "Copy to clipboard"
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let clipboard_icon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z"/></svg>`
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let clipboard_successIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>`
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let clipboard_successDuration = 1000
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$(function() {
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  if(navigator.clipboard) {
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    const fragments = document.getElementsByClassName("fragment")
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    for(const fragment of fragments) {
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      const clipboard_div = document.createElement("div")
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      clipboard_div.classList.add("clipboard")
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      clipboard_div.innerHTML = clipboard_icon
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      clipboard_div.title = clipboard_title
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      $(clipboard_div).click(function() {
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        const content = this.parentNode.cloneNode(true)
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        // filter out line number and folded fragments from file listings
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        content.querySelectorAll(".lineno, .ttc, .foldclosed").forEach((node) => { node.remove() })
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        let text = content.textContent
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        // remove trailing newlines and trailing spaces from empty lines
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        text = text.replace(/^\s*\n/gm,'\n').replace(/\n*$/,'')
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        navigator.clipboard.writeText(text);
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        this.classList.add("success")
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        this.innerHTML = clipboard_successIcon
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        window.setTimeout(() => { // switch back to normal icon after timeout
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            this.classList.remove("success")
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            this.innerHTML = clipboard_icon
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        }, clipboard_successDuration);
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      })
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      fragment.insertBefore(clipboard_div, fragment.firstChild)
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    }
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  }
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})
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