mirror of
https://code.rocketnine.space/tslocum/gmitohtml.git
synced 2024-11-14 18:56:42 +01:00
Add Normalize.css
This commit is contained in:
Trevor Slocum
parent
260018cc9d
commit
320c52d436
5 changed files with 473 additions and 19 deletions
0
go.sum
Normal file
0
go.sum
Normal file
3
main.go
3
main.go
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@ -58,9 +58,6 @@ func main() {
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data = gmitohtml.Convert(data, "")
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data = append([]byte("<!DOCTYPE html>\n<html>\n<body>\n"), data...)
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data = append(data, []byte("\n</body>\n</html>")...)
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if view {
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openBrowser(string(append([]byte("data:text/html,"), []byte(url.PathEscape(string(data)))...)))
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return
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361
pkg/gmitohtml/assets.go
Normal file
361
pkg/gmitohtml/assets.go
Normal file
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@ -0,0 +1,361 @@
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package gmitohtml
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var fs = make(inMemoryFS)
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func loadAssets() {
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fs["/assets/style.css"] = loadFile("style.css", `
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/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
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/* Document
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========================================================================== */
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/**
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* 1. Correct the line height in all browsers.
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* 2. Prevent adjustments of font size after orientation changes in iOS.
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*/
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html {
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line-height: 1.15; /* 1 */
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-webkit-text-size-adjust: 100%; /* 2 */
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}
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/* Sections
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========================================================================== */
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/**
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* Remove the margin in all browsers.
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*/
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body {
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margin: 0.67em;
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}
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/**
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* Render the main element consistently in IE.
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*/
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main {
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display: block;
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}
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/**
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* Correct the font size and margin on h1 elements within section and
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* article contexts in Chrome, Firefox, and Safari.
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*/
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h1 {
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font-size: 2em;
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}
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h1, h2, h3, h4, h5, h6, h7 {
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margin: 0.25em 0;
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}
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/* Grouping content
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========================================================================== */
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/**
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* 1. Add the correct box sizing in Firefox.
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* 2. Show the overflow in Edge and IE.
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*/
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hr {
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box-sizing: content-box; /* 1 */
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height: 0; /* 1 */
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overflow: visible; /* 2 */
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}
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/**
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* 1. Correct the inheritance and scaling of font size in all browsers.
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* 2. Correct the odd em font sizing in all browsers.
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*/
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pre {
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font-family: monospace, monospace; /* 1 */
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font-size: 1em; /* 2 */
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margin: 0;
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}
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/* Text-level semantics
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========================================================================== */
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/**
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* Remove the gray background on active links in IE 10.
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*/
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a {
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background-color: transparent;
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}
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/**
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* 1. Remove the bottom border in Chrome 57-
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* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
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*/
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abbr[title] {
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border-bottom: none; /* 1 */
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text-decoration: underline; /* 2 */
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text-decoration: underline dotted; /* 2 */
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}
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/**
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* Add the correct font weight in Chrome, Edge, and Safari.
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*/
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b,
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strong {
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font-weight: bolder;
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}
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/**
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* 1. Correct the inheritance and scaling of font size in all browsers.
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* 2. Correct the odd em font sizing in all browsers.
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*/
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code,
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kbd,
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samp {
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font-family: monospace, monospace; /* 1 */
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font-size: 1em; /* 2 */
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}
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/**
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* Add the correct font size in all browsers.
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*/
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small {
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font-size: 80%;
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}
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/**
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* Prevent sub and sup elements from affecting the line height in
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* all browsers.
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*/
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sub,
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sup {
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font-size: 75%;
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line-height: 0;
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position: relative;
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vertical-align: baseline;
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}
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sub {
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bottom: -0.25em;
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}
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sup {
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top: -0.5em;
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}
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/* Embedded content
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========================================================================== */
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/**
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* Remove the border on images inside links in IE 10.
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*/
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img {
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border-style: none;
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}
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/* Forms
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========================================================================== */
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/**
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* 1. Change the font styles in all browsers.
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* 2. Remove the margin in Firefox and Safari.
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*/
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button,
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input,
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optgroup,
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select,
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textarea {
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font-family: inherit; /* 1 */
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font-size: 100%; /* 1 */
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line-height: 1.15; /* 1 */
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margin: 0; /* 2 */
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}
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/**
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* Show the overflow in IE.
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* 1. Show the overflow in Edge.
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*/
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button,
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input { /* 1 */
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overflow: visible;
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}
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/**
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* Remove the inheritance of text transform in Edge, Firefox, and IE.
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* 1. Remove the inheritance of text transform in Firefox.
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*/
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button,
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select { /* 1 */
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text-transform: none;
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}
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/**
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* Correct the inability to style clickable types in iOS and Safari.
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*/
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button,
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[type="button"],
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[type="reset"],
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[type="submit"] {
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-webkit-appearance: button;
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}
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/**
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* Remove the inner border and padding in Firefox.
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*/
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button::-moz-focus-inner,
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[type="button"]::-moz-focus-inner,
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[type="reset"]::-moz-focus-inner,
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[type="submit"]::-moz-focus-inner {
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border-style: none;
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padding: 0;
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}
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/**
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* Restore the focus styles unset by the previous rule.
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*/
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button:-moz-focusring,
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[type="button"]:-moz-focusring,
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[type="reset"]:-moz-focusring,
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[type="submit"]:-moz-focusring {
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outline: 1px dotted ButtonText;
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}
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/**
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* Correct the padding in Firefox.
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*/
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fieldset {
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padding: 0.35em 0.75em 0.625em;
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}
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/**
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* 1. Correct the text wrapping in Edge and IE.
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* 2. Correct the color inheritance from fieldset elements in IE.
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* 3. Remove the padding so developers are not caught out when they zero out
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* fieldset elements in all browsers.
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*/
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legend {
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box-sizing: border-box; /* 1 */
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color: inherit; /* 2 */
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display: table; /* 1 */
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max-width: 100%; /* 1 */
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padding: 0; /* 3 */
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white-space: normal; /* 1 */
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}
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/**
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* Add the correct vertical alignment in Chrome, Firefox, and Opera.
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*/
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progress {
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vertical-align: baseline;
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}
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/**
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* Remove the default vertical scrollbar in IE 10+.
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*/
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textarea {
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overflow: auto;
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}
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/**
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* 1. Add the correct box sizing in IE 10.
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* 2. Remove the padding in IE 10.
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*/
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[type="checkbox"],
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[type="radio"] {
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box-sizing: border-box; /* 1 */
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padding: 0; /* 2 */
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}
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/**
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* Correct the cursor style of increment and decrement buttons in Chrome.
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*/
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[type="number"]::-webkit-inner-spin-button,
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[type="number"]::-webkit-outer-spin-button {
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height: auto;
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}
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/**
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* 1. Correct the odd appearance in Chrome and Safari.
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* 2. Correct the outline style in Safari.
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*/
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[type="search"] {
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-webkit-appearance: textfield; /* 1 */
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outline-offset: -2px; /* 2 */
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}
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/**
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* Remove the inner padding in Chrome and Safari on macOS.
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*/
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[type="search"]::-webkit-search-decoration {
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-webkit-appearance: none;
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}
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/**
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* 1. Correct the inability to style clickable types in iOS and Safari.
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* 2. Change font properties to inherit in Safari.
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*/
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::-webkit-file-upload-button {
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-webkit-appearance: button; /* 1 */
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font: inherit; /* 2 */
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}
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/* Interactive
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========================================================================== */
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/*
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* Add the correct display in Edge, IE 10+, and Firefox.
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*/
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details {
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display: block;
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}
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/*
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* Add the correct display in all browsers.
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*/
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summary {
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display: list-item;
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}
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/* Misc
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========================================================================== */
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/**
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* Add the correct display in IE 10+.
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*/
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template {
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display: none;
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}
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/**
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* Add the correct display in IE 10.
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*/
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[hidden] {
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display: none;
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}
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`, fs)
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}
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@ -12,6 +12,7 @@ import (
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"net/url"
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"path"
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"strings"
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"sync"
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)
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// ErrInvalidURL is the error returned when the URL is invalid.
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@ -19,6 +20,8 @@ var ErrInvalidURL = errors.New("invalid URL")
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var daemonAddress string
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var assetLock sync.Mutex
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func rewriteURL(u string, loc *url.URL) string {
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if daemonAddress != "" {
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if strings.HasPrefix(u, "gemini://") {
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@ -41,7 +44,6 @@ func rewriteURL(u string, loc *url.URL) string {
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func Convert(page []byte, u string) []byte {
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var result []byte
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var lastPreformatted bool
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var preformatted bool
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parsedURL, err := url.Parse(u)
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@ -56,16 +58,12 @@ func Convert(page []byte, u string) []byte {
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l := len(line)
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if l >= 3 && string(line[0:3]) == "```" {
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preformatted = !preformatted
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continue
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}
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if preformatted != lastPreformatted {
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if preformatted {
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result = append(result, []byte("<pre>\n")...)
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} else {
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result = append(result, []byte("</pre>\n")...)
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}
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lastPreformatted = preformatted
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continue
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}
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if preformatted {
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@ -96,7 +94,7 @@ func Convert(page []byte, u string) []byte {
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}
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}
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if heading > 0 {
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result = append(result, []byte(fmt.Sprintf("<h%d>%s</h%d>", heading, line, heading))...)
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result = append(result, []byte(fmt.Sprintf("<h%d>%s</h%d>", heading, line[heading:], heading))...)
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continue
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}
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@ -104,11 +102,17 @@ func Convert(page []byte, u string) []byte {
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result = append(result, []byte("<br>")...)
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}
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if preformatted {
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result = append(result, []byte("</pre>\n")...)
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}
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result = append([]byte("<!DOCTYPE html>\n<html>\n<head>\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">\n<link rel=\"stylesheet\" href=\"/assets/style.css\"></link>\n</head>\n<body>\n"), result...)
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result = append(result, []byte("\n</body>\n</html>")...)
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return result
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}
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// Fetch downloads and converts a Gemini page.
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func Fetch(u string, clientCertFile string, clientCertKey string) ([]byte, []byte, error) {
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func fetch(u string, clientCertFile string, clientCertKey string) ([]byte, []byte, error) {
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if u == "" {
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return nil, nil, ErrInvalidURL
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}
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@ -179,7 +183,7 @@ func handleRequest(writer http.ResponseWriter, request *http.Request) {
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return
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}
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header, data, err := Fetch(u.String(), "", "")
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header, data, err := fetch(u.String(), "", "")
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if err != nil {
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fmt.Fprintf(writer, "Error: failed to fetch %s: %s", u, err)
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return
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@ -194,24 +198,35 @@ func handleRequest(writer http.ResponseWriter, request *http.Request) {
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}
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if len(header) > 3 && !bytes.HasPrefix(header[3:], []byte("text/gemini")) {
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writer.Header().Set("Content-type", string(header[3:]))
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writer.Header().Set("Content-Type", string(header[3:]))
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} else {
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writer.Header().Set("Content-type", "text/html; charset=utf-8")
|
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writer.Header().Set("Content-Type", "text/html; charset=utf-8")
|
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}
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|
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writer.Write([]byte("<!DOCTYPE html>\n<html>\n<body>\n"))
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writer.Write(data)
|
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writer.Write([]byte("\n</body>\n</html>"))
|
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}
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|
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func handleAssets(writer http.ResponseWriter, request *http.Request) {
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assetLock.Lock()
|
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defer assetLock.Unlock()
|
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|
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writer.Header().Set("Cache-Control", "max-age=86400")
|
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|
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http.FileServer(fs).ServeHTTP(writer, request)
|
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}
|
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|
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// StartDaemon starts the page conversion daemon.
|
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func StartDaemon(address string) error {
|
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loadAssets()
|
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|
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daemonAddress = address
|
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|
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http.HandleFunc("/", handleRequest)
|
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|
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handler := http.NewServeMux()
|
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handler.HandleFunc("/assets/style.css", handleAssets)
|
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handler.HandleFunc("/", handleRequest)
|
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go func() {
|
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log.Fatal(http.ListenAndServe(address, nil))
|
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log.Fatal(http.ListenAndServe(address, handler))
|
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}()
|
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|
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return nil
|
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}
|
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|
|
|
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81
pkg/gmitohtml/fs.go
Normal file
81
pkg/gmitohtml/fs.go
Normal file
|
|
@ -0,0 +1,81 @@
|
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package gmitohtml
|
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|
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import (
|
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"io"
|
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"net/http"
|
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"os"
|
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"time"
|
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)
|
||||
|
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var modTime = time.Now()
|
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|
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type inMemoryFS map[string]http.File
|
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|
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func (fs inMemoryFS) Open(name string) (http.File, error) {
|
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if f, ok := fs[name]; ok {
|
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f.Seek(0, io.SeekStart)
|
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return f, nil
|
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}
|
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panic("No file")
|
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}
|
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|
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type inMemoryFile struct {
|
||||
at int64
|
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Name string
|
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data []byte
|
||||
fs inMemoryFS
|
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}
|
||||
|
||||
func loadFile(name string, val string, fs inMemoryFS) *inMemoryFile {
|
||||
return &inMemoryFile{at: 0,
|
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Name: name,
|
||||
data: []byte(val),
|
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fs: fs}
|
||||
}
|
||||
|
||||
func (f *inMemoryFile) Close() error {
|
||||
return nil
|
||||
}
|
||||
func (f *inMemoryFile) Stat() (os.FileInfo, error) {
|
||||
return &inMemoryFileInfo{f}, nil
|
||||
}
|
||||
func (f *inMemoryFile) Readdir(count int) ([]os.FileInfo, error) {
|
||||
res := make([]os.FileInfo, len(f.fs))
|
||||
i := 0
|
||||
for _, file := range f.fs {
|
||||
res[i], _ = file.Stat()
|
||||
i++
|
||||
}
|
||||
return res, nil
|
||||
}
|
||||
func (f *inMemoryFile) Read(b []byte) (int, error) {
|
||||
i := 0
|
||||
for f.at < int64(len(f.data)) && i < len(b) {
|
||||
b[i] = f.data[f.at]
|
||||
i++
|
||||
f.at++
|
||||
}
|
||||
return i, nil
|
||||
}
|
||||
func (f *inMemoryFile) Seek(offset int64, whence int) (int64, error) {
|
||||
switch whence {
|
||||
case 0:
|
||||
f.at = offset
|
||||
case 1:
|
||||
f.at += offset
|
||||
case 2:
|
||||
f.at = int64(len(f.data)) + offset
|
||||
}
|
||||
return f.at, nil
|
||||
}
|
||||
|
||||
type inMemoryFileInfo struct {
|
||||
file *inMemoryFile
|
||||
}
|
||||
|
||||
func (s *inMemoryFileInfo) Name() string { return s.file.Name }
|
||||
func (s *inMemoryFileInfo) Size() int64 { return int64(len(s.file.data)) }
|
||||
func (s *inMemoryFileInfo) Mode() os.FileMode { return os.ModeTemporary }
|
||||
func (s *inMemoryFileInfo) ModTime() time.Time { return modTime }
|
||||
func (s *inMemoryFileInfo) IsDir() bool { return false }
|
||||
func (s *inMemoryFileInfo) Sys() interface{} { return nil }
|
||||
Loading…
Reference in a new issue