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entry.go
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entry.go
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//go:build !wasm
package main
import (
"bytes"
"fmt"
"io"
"log/slog"
"os"
"github.com/charmbracelet/x/term"
"github.com/pkg/browser"
"golang.org/x/exp/mmap"
"github.com/Zxilly/go-size-analyzer/internal"
"github.com/Zxilly/go-size-analyzer/internal/printer"
"github.com/Zxilly/go-size-analyzer/internal/tui"
"github.com/Zxilly/go-size-analyzer/internal/utils"
"github.com/Zxilly/go-size-analyzer/internal/webui"
)
func entry() error {
utils.ApplyMemoryLimit()
reader, err := mmap.Open(Options.Binary)
if err != nil {
return err
}
result, err := internal.Analyze(Options.Binary,
reader,
uint64(reader.Len()),
internal.Options{
SkipSymbol: Options.NoSymbol,
SkipDisasm: Options.NoDisasm,
SkipDwarf: Options.NoDwarf,
})
if err != nil {
return err
}
if Options.Tui {
w, h, err := term.GetSize(os.Stdout.Fd())
if err != nil {
return fmt.Errorf("failed to get terminal size: %w", err)
}
return tui.RunTUI(result, w, h)
}
if Options.Web {
Options.Format = "html"
}
var writer io.Writer
if Options.Output != "" {
writer, err = os.OpenFile(Options.Output, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
} else {
writer = utils.Stdout
if Options.Web {
writer = new(bytes.Buffer)
}
}
common := printer.CommonOption{
HideSections: Options.HideSections,
HideMain: Options.HideMain,
HideStd: Options.HideStd,
Writer: writer,
}
switch Options.Format {
case "text":
err = printer.Text(result, &common)
case "json":
err = printer.JSON(result, &printer.JSONOption{
Indent: Options.Indent,
HideDetail: Options.Compact,
Writer: writer,
})
case "html":
err = printer.HTML(result, writer)
case "svg":
err = printer.Svg(result, &printer.SvgOption{
CommonOption: common,
Width: Options.Width,
Height: Options.Height,
MarginBox: Options.MarginBox,
PaddingBox: Options.PaddingBox,
PaddingRoot: Options.PaddingRoot,
})
default:
return fmt.Errorf("invalid format: %s", Options.Format)
}
slog.Info("Printing done")
if err != nil {
return err
}
slog.Info("Check if web option is set")
if Options.Web {
b, ok := writer.(*bytes.Buffer)
if !ok {
panic("writer is not bytes.Buffer")
}
webui.HostServer(b.Bytes(), Options.Listen)
url := utils.GetURLFromListen(Options.Listen)
fmt.Println("Server started at", url)
if Options.Open {
err = browser.OpenURL(url)
if err != nil {
slog.Warn(fmt.Sprintf("Failed to open: %v", err))
}
}
utils.WaitSignal()
}
slog.Info("Ready to exit")
return nil
}