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Decode style JSON into a typed struct

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This commit is contained in:
Christian Muehlhaeuser
2019-12-13 03:04:48 +01:00
parent 219f21c4e7
commit 35342a2061
17 changed files with 184 additions and 249 deletions
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style.go
+73 -150
View File
@@ -1,7 +1,6 @@
package gold
import (
"fmt"
"io"
"io/ioutil"
"os"
@@ -12,67 +11,11 @@ import (
_ "github.com/charmbracelet/gold/statik"
)
type StyleType int
const (
Document StyleType = iota
// Block elements
Heading
Paragraph
BlockQuote
List
// Text elements
Text
Strikethrough
Emph
Strong
HorizontalRule
// ListItem styles
Item
CheckedItem
Enumeration
// Links
Link
LinkText
// Images
Image
ImageText
// Code styles
CodeBlock
Code
// Table styles
Table
TableCell
TableHead
TableBody
TableRow
// Definition Lists
DefinitionList
DefinitionTerm
DefinitionDescription
// HTML styles
HTMLBlock
HTMLSpan
// Style definitions for individual heading levels
H1
H2
H3
H4
H5
H6
)
type ElementStyle struct {
type StylePrimitive struct {
Prefix string `json:"prefix"`
Suffix string `json:"suffix"`
StyledPrefix string `json:"styled_prefix"`
StyledSuffix string `json:"styled_suffix"`
Color *string `json:"color"`
BackgroundColor *string `json:"background_color"`
Underline *bool `json:"underline"`
@@ -84,16 +27,74 @@ type ElementStyle struct {
Overlined *bool `json:"overlined"`
Inverse *bool `json:"inverse"`
Blink *bool `json:"blink"`
Indent *uint `json:"indent"`
Margin *uint `json:"margin"`
Theme string `json:"theme"`
Prefix string `json:"prefix"`
Suffix string `json:"suffix"`
StyledPrefix string `json:"styled_prefix"`
StyledSuffix string `json:"styled_suffix"`
Format string `json:"format"`
}
type StyleTask struct {
StyleBlock
Ticked string `json:"ticked"`
Unticked string `json:"unticked"`
}
type StyleBlock struct {
StylePrimitive
Indent *uint `json:"indent"`
Margin *uint `json:"margin"`
}
type StyleCodeBlock struct {
StyleBlock
Theme string `json:"theme"`
}
type StyleList struct {
StyleBlock
LevelIndent uint `json:"level_indent"`
}
type StyleConfig struct {
Document StyleBlock `json:"document"`
BlockQuote StyleBlock `json:"block_quote"`
Paragraph StyleBlock `json:"paragraph"`
List StyleList `json:"list"`
Heading StyleBlock `json:"heading"`
H1 StyleBlock `json:"h1"`
H2 StyleBlock `json:"h2"`
H3 StyleBlock `json:"h3"`
H4 StyleBlock `json:"h4"`
H5 StyleBlock `json:"h5"`
H6 StyleBlock `json:"h6"`
Text StylePrimitive `json:"text"`
Strikethrough StylePrimitive `json:"strike_through"`
Emph StylePrimitive `json:"emph"`
Strong StylePrimitive `json:"strong"`
HorizontalRule StylePrimitive `json:"hr"`
Item StylePrimitive `json:"item"`
Enumeration StylePrimitive `json:"enumeration"`
Task StyleTask `json:"task"`
Link StylePrimitive `json:"link"`
LinkText StylePrimitive `json:"link_text"`
Image StylePrimitive `json:"image"`
ImageText StylePrimitive `json:"image_text"`
Code StyleBlock `json:"code"`
CodeBlock StyleCodeBlock `json:"code_block"`
Table StyleBlock `json:"table"`
DefinitionList StyleBlock `json:"definition_list"`
DefinitionTerm StylePrimitive `json:"definition_term"`
DefinitionDescription StylePrimitive `json:"definition_description"`
HTMLBlock StyleBlock `json:"html_block"`
HTMLSpan StyleBlock `json:"html_span"`
}
func loadStyle(f string) ([]byte, error) {
var r io.ReadCloser
var err error
@@ -115,8 +116,8 @@ func loadStyle(f string) ([]byte, error) {
return ioutil.ReadAll(r)
}
func cascadeStyles(onlyColors bool, s ...ElementStyle) ElementStyle {
var r ElementStyle
func cascadeStyles(onlyColors bool, s ...StyleBlock) StyleBlock {
var r StyleBlock
for _, v := range s {
r = cascadeStyle(r, v, onlyColors)
@@ -124,7 +125,7 @@ func cascadeStyles(onlyColors bool, s ...ElementStyle) ElementStyle {
return r
}
func cascadeStyle(parent ElementStyle, child ElementStyle, onlyColors bool) ElementStyle {
func cascadeStyle(parent StyleBlock, child StyleBlock, onlyColors bool) StyleBlock {
s := child
s.Color = parent.Color
@@ -248,81 +249,3 @@ func hexToANSIColor(h string) (int, error) {
}
return 232 + grayIdx, nil
}
func keyToType(key string) (StyleType, error) {
switch key {
case "document":
return Document, nil
case "block_quote":
return BlockQuote, nil
case "list":
return List, nil
case "item":
return Item, nil
case "checked_item":
return CheckedItem, nil
case "enumeration":
return Enumeration, nil
case "paragraph":
return Paragraph, nil
case "heading":
return Heading, nil
case "h1":
return H1, nil
case "h2":
return H2, nil
case "h3":
return H3, nil
case "h4":
return H4, nil
case "h5":
return H5, nil
case "h6":
return H6, nil
case "hr":
return HorizontalRule, nil
case "strikethrough":
return Strikethrough, nil
case "emph":
return Emph, nil
case "strong":
return Strong, nil
case "link":
return Link, nil
case "link_text":
return LinkText, nil
case "image":
return Image, nil
case "image_text":
return ImageText, nil
case "text":
return Text, nil
case "html_block":
return HTMLBlock, nil
case "code_block":
return CodeBlock, nil
case "code":
return Code, nil
case "html_span":
return HTMLSpan, nil
case "table":
return Table, nil
case "table_cel":
return TableCell, nil
case "table_head":
return TableHead, nil
case "table_body":
return TableBody, nil
case "table_row":
return TableRow, nil
case "definition_list":
return DefinitionList, nil
case "definition_term":
return DefinitionTerm, nil
case "definition_description":
return DefinitionDescription, nil
default:
return 0, fmt.Errorf("invalid style element type: %s", key)
}
}