154 lines
4.1 KiB
Go
154 lines
4.1 KiB
Go
package zitie
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import (
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"embed"
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"toolbox/pkg/base"
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"toolbox/pkg/zitie/logic"
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"github.com/gin-gonic/gin"
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"golang.org/x/image/font/sfnt"
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)
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//go:embed data/all.json
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var allDataContent []byte
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//go:embed data/*.ttf
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var fontFS embed.FS
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type zitieTool struct {
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allChars map[string]logic.HanziData
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}
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func init() {
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base.Register(&zitieTool{})
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}
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func (t *zitieTool) ID() string { return "zitie" }
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func (t *zitieTool) Name() string { return "汉字字帖生成" }
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func (t *zitieTool) Description() string { return "提供智能缺字处理和古风排版的专业字帖工具" }
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func (t *zitieTool) Init() error {
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fmt.Println("Initializing Zitie tool with font check...")
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t.allChars = make(map[string]logic.HanziData)
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if err := json.Unmarshal(allDataContent, &t.allChars); err != nil {
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return fmt.Errorf("failed to unmarshal all.json: %v", err)
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}
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fontBytes, _ := fontFS.ReadFile("data/font.ttf")
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logic.SetFontData(fontBytes)
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fonts := map[string]string{
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"kaiti": "data/kaiti.ttf",
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"lishu": "data/lishu.ttf",
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"xingshu": "data/xingshu.ttf",
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"songti": "data/songti.ttf",
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}
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for id, src := range fonts {
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bytes, err := fontFS.ReadFile(src)
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if err != nil { continue }
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// 1. 同步到磁盘用于 gopdf
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tmpPath := filepath.Join(os.TempDir(), fmt.Sprintf("own_tools_%s.ttf", id))
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_ = os.WriteFile(tmpPath, bytes, 0644)
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logic.RegisterFontPath(id, tmpPath)
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// 2. 解析 Cmap 用于缺字检查
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f, err := sfnt.Parse(bytes)
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if err == nil {
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logic.RegisterFontSFNT(id, f)
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fmt.Printf("Font [%s] analyzed and registered\n", id)
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}
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}
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return nil
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}
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func (t *zitieTool) RegisterRoutes(r *gin.RouterGroup) {
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r.POST("/teaching", t.handleTeaching)
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r.POST("/step", t.handleStep)
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r.POST("/manuscript", t.handleManuscript)
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}
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type ZitieRequest struct {
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Chars string `json:"chars" binding:"required"`
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PaperSize string `json:"paper_size"`
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FontType string `json:"font_type"`
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}
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func (t *zitieTool) handleTeaching(c *gin.Context) {
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var req ZitieRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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data := t.filterChars(req.Chars, false)
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t.generateAndResponse(c, data, "teaching", req.PaperSize, "kaiti")
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}
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func (t *zitieTool) handleStep(c *gin.Context) {
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var req ZitieRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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data := t.filterChars(req.Chars, false)
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t.generateAndResponse(c, data, "step", req.PaperSize, "kaiti")
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}
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func (t *zitieTool) handleManuscript(c *gin.Context) {
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var req ZitieRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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if req.FontType == "" { req.FontType = "kaiti" }
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data := t.filterChars(req.Chars, true)
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t.generateAndResponse(c, data, "manuscript", req.PaperSize, req.FontType)
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}
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func (t *zitieTool) filterChars(input string, keepNewline bool) []logic.HanziData {
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var res []logic.HanziData
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// 扩充标点符号列表
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puncs := "，。！？；：、“”（）《》〈〉…·.?!,:;\"'()<> 「」【】『』〔〕"
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for _, r := range input {
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charStr := string(r)
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if r == '\n' {
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if keepNewline { res = append(res, logic.HanziData{Character: "\n"}) }
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continue
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}
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if r == ' ' || r == '\r' || r == '\t' { continue }
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isPunc := false
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for _, p := range puncs { if r == p { isPunc = true; break } }
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if isPunc { continue }
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if hd, ok := t.allChars[charStr]; ok {
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hd.Character = charStr
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res = append(res, hd)
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} else {
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res = append(res, logic.HanziData{Character: charStr})
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}
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}
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return res
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}
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func (t *zitieTool) generateAndResponse(c *gin.Context, data []logic.HanziData, mode, paper, font string) {
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if len(data) == 0 {
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c.JSON(http.StatusNotFound, gin.H{"error": "no valid characters found"})
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return
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}
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pdfBytes, err := logic.GeneratePDFExtended(data, mode, paper, font)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.Data(http.StatusOK, "application/pdf", pdfBytes)
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}
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