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package util
import (
"fmt"
"path/filepath"
"regexp"
"strings"
"unicode"
"github.com/charmbracelet/lipgloss/v2/compat"
"github.com/charmbracelet/x/ansi"
"github.com/sst/opencode/internal/styles"
"github.com/sst/opencode/internal/theme"
)
var RootPath string
var CwdPath string
type fileRenderer struct {
filename string
content string
height int
}
type fileRenderingOption func(*fileRenderer)
func WithTruncate(height int) fileRenderingOption {
return func(c *fileRenderer) {
c.height = height
}
}
func RenderFile(
filename string,
content string,
width int,
options ...fileRenderingOption) string {
t := theme.CurrentTheme()
renderer := &fileRenderer{
filename: filename,
content: content,
}
for _, option := range options {
option(renderer)
}
lines := []string{}
for line := range strings.SplitSeq(content, "\n") {
line = strings.TrimRightFunc(line, unicode.IsSpace)
line = strings.ReplaceAll(line, "\t", " ")
lines = append(lines, line)
}
content = strings.Join(lines, "\n")
if renderer.height > 0 {
content = TruncateHeight(content, renderer.height)
}
content = fmt.Sprintf("```%s\n%s\n```", Extension(renderer.filename), content)
content = ToMarkdown(content, width, t.BackgroundPanel())
return content
}
func TruncateHeight(content string, height int) string {
lines := strings.Split(content, "\n")
if len(lines) > height {
return strings.Join(lines[:height], "\n")
}
return content
}
func Relative(path string) string {
path = strings.TrimPrefix(path, CwdPath+"/")
return strings.TrimPrefix(path, RootPath+"/")
}
func Extension(path string) string {
ext := filepath.Ext(path)
if ext == "" {
ext = ""
} else {
ext = strings.ToLower(ext[1:])
}
return ext
}
func ToMarkdown(content string, width int, backgroundColor compat.AdaptiveColor) string {
r := styles.GetMarkdownRenderer(width-6, backgroundColor)
content = strings.ReplaceAll(content, RootPath+"/", "")
hyphenRegex := regexp.MustCompile(`-([^ \-|]|$)`)
content = hyphenRegex.ReplaceAllString(content, "\u2011$1")
rendered, _ := r.Render(content)
lines := strings.Split(rendered, "\n")
if len(lines) > 0 {
firstLine := lines[0]
cleaned := ansi.Strip(firstLine)
nospace := strings.ReplaceAll(cleaned, " ", "")
if nospace == "" {
lines = lines[1:]
}
if len(lines) > 0 {
lastLine := lines[len(lines)-1]
cleaned = ansi.Strip(lastLine)
nospace = strings.ReplaceAll(cleaned, " ", "")
if nospace == "" {
lines = lines[:len(lines)-1]
}
}
}
content = strings.Join(lines, "\n")
content = strings.ReplaceAll(content, "\u2011", "-")
return strings.TrimSuffix(content, "\n")
}
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