cione-comp-lib/es/node_modules/zrender/lib/graphic/helper/parseText.mjs

`$ yarn add cione-comp-lib` 或者 `$ npm i cione-comp-lib -S`

import { findExistImage, isImageReady } from "./image.mjs";
import { extend, retrieve2, reduce, retrieve3 } from "../../core/util.mjs";
import { getWidth, getLineHeight, parsePercent } from "../../contain/text.mjs";
var STYLE_REG = /\{([a-zA-Z0-9_]+)\|([^}]*)\}/g;
function truncateText(text, containerWidth, font, ellipsis, options) {
  if (!containerWidth) {
    return "";
  }
  var textLines = (text + "").split("\n");
  options = prepareTruncateOptions(containerWidth, font, ellipsis, options);
  for (var i = 0, len = textLines.length; i < len; i++) {
    textLines[i] = truncateSingleLine(textLines[i], options);
  }
  return textLines.join("\n");
}
function prepareTruncateOptions(containerWidth, font, ellipsis, options) {
  options = options || {};
  var preparedOpts = extend({}, options);
  preparedOpts.font = font;
  ellipsis = retrieve2(ellipsis, "...");
  preparedOpts.maxIterations = retrieve2(options.maxIterations, 2);
  var minChar = preparedOpts.minChar = retrieve2(options.minChar, 0);
  preparedOpts.cnCharWidth = getWidth("\u56FD", font);
  var ascCharWidth = preparedOpts.ascCharWidth = getWidth("a", font);
  preparedOpts.placeholder = retrieve2(options.placeholder, "");
  var contentWidth = containerWidth = Math.max(0, containerWidth - 1);
  for (var i = 0; i < minChar && contentWidth >= ascCharWidth; i++) {
    contentWidth -= ascCharWidth;
  }
  var ellipsisWidth = getWidth(ellipsis, font);
  if (ellipsisWidth > contentWidth) {
    ellipsis = "";
    ellipsisWidth = 0;
  }
  contentWidth = containerWidth - ellipsisWidth;
  preparedOpts.ellipsis = ellipsis;
  preparedOpts.ellipsisWidth = ellipsisWidth;
  preparedOpts.contentWidth = contentWidth;
  preparedOpts.containerWidth = containerWidth;
  return preparedOpts;
}
function truncateSingleLine(textLine, options) {
  var containerWidth = options.containerWidth;
  var font = options.font;
  var contentWidth = options.contentWidth;
  if (!containerWidth) {
    return "";
  }
  var lineWidth = getWidth(textLine, font);
  if (lineWidth <= containerWidth) {
    return textLine;
  }
  for (var j = 0; ; j++) {
    if (lineWidth <= contentWidth || j >= options.maxIterations) {
      textLine += options.ellipsis;
      break;
    }
    var subLength = j === 0 ? estimateLength(textLine, contentWidth, options.ascCharWidth, options.cnCharWidth) : lineWidth > 0 ? Math.floor(textLine.length * contentWidth / lineWidth) : 0;
    textLine = textLine.substr(0, subLength);
    lineWidth = getWidth(textLine, font);
  }
  if (textLine === "") {
    textLine = options.placeholder;
  }
  return textLine;
}
function estimateLength(text, contentWidth, ascCharWidth, cnCharWidth) {
  var width = 0;
  var i = 0;
  for (var len = text.length; i < len && width < contentWidth; i++) {
    var charCode = text.charCodeAt(i);
    width += 0 <= charCode && charCode <= 127 ? ascCharWidth : cnCharWidth;
  }
  return i;
}
function parsePlainText(text, style) {
  text != null && (text += "");
  var overflow = style.overflow;
  var padding = style.padding;
  var font = style.font;
  var truncate = overflow === "truncate";
  var calculatedLineHeight = getLineHeight(font);
  var lineHeight = retrieve2(style.lineHeight, calculatedLineHeight);
  var bgColorDrawn = !!style.backgroundColor;
  var truncateLineOverflow = style.lineOverflow === "truncate";
  var width = style.width;
  var lines;
  if (width != null && (overflow === "break" || overflow === "breakAll")) {
    lines = text ? wrapText(text, style.font, width, overflow === "breakAll", 0).lines : [];
  } else {
    lines = text ? text.split("\n") : [];
  }
  var contentHeight = lines.length * lineHeight;
  var height = retrieve2(style.height, contentHeight);
  if (contentHeight > height && truncateLineOverflow) {
    var lineCount = Math.floor(height / lineHeight);
    lines = lines.slice(0, lineCount);
  }
  if (text && truncate && width != null) {
    var options = prepareTruncateOptions(width, font, style.ellipsis, {
      minChar: style.truncateMinChar,
      placeholder: style.placeholder
    });
    for (var i = 0; i < lines.length; i++) {
      lines[i] = truncateSingleLine(lines[i], options);
    }
  }
  var outerHeight = height;
  var contentWidth = 0;
  for (var i = 0; i < lines.length; i++) {
    contentWidth = Math.max(getWidth(lines[i], font), contentWidth);
  }
  if (width == null) {
    width = contentWidth;
  }
  var outerWidth = contentWidth;
  if (padding) {
    outerHeight += padding[0] + padding[2];
    outerWidth += padding[1] + padding[3];
    width += padding[1] + padding[3];
  }
  if (bgColorDrawn) {
    outerWidth = width;
  }
  return {
    lines,
    height,
    outerWidth,
    outerHeight,
    lineHeight,
    calculatedLineHeight,
    contentWidth,
    contentHeight,
    width
  };
}
var RichTextToken = function() {
  function RichTextToken2() {
  }
  return RichTextToken2;
}();
var RichTextLine = function() {
  function RichTextLine2(tokens) {
    this.tokens = [];
    if (tokens) {
      this.tokens = tokens;
    }
  }
  return RichTextLine2;
}();
var RichTextContentBlock = function() {
  function RichTextContentBlock2() {
    this.width = 0;
    this.height = 0;
    this.contentWidth = 0;
    this.contentHeight = 0;
    this.outerWidth = 0;
    this.outerHeight = 0;
    this.lines = [];
  }
  return RichTextContentBlock2;
}();
function parseRichText(text, style) {
  var contentBlock = new RichTextContentBlock();
  text != null && (text += "");
  if (!text) {
    return contentBlock;
  }
  var topWidth = style.width;
  var topHeight = style.height;
  var overflow = style.overflow;
  var wrapInfo = (overflow === "break" || overflow === "breakAll") && topWidth != null ? { width: topWidth, accumWidth: 0, breakAll: overflow === "breakAll" } : null;
  var lastIndex = STYLE_REG.lastIndex = 0;
  var result;
  while ((result = STYLE_REG.exec(text)) != null) {
    var matchedIndex = result.index;
    if (matchedIndex > lastIndex) {
      pushTokens(contentBlock, text.substring(lastIndex, matchedIndex), style, wrapInfo);
    }
    pushTokens(contentBlock, result[2], style, wrapInfo, result[1]);
    lastIndex = STYLE_REG.lastIndex;
  }
  if (lastIndex < text.length) {
    pushTokens(contentBlock, text.substring(lastIndex, text.length), style, wrapInfo);
  }
  var pendingList = [];
  var calculatedHeight = 0;
  var calculatedWidth = 0;
  var stlPadding = style.padding;
  var truncate = overflow === "truncate";
  var truncateLine = style.lineOverflow === "truncate";
  function finishLine(line2, lineWidth2, lineHeight2) {
    line2.width = lineWidth2;
    line2.lineHeight = lineHeight2;
    calculatedHeight += lineHeight2;
    calculatedWidth = Math.max(calculatedWidth, lineWidth2);
  }
  outer:
    for (var i = 0; i < contentBlock.lines.length; i++) {
      var line = contentBlock.lines[i];
      var lineHeight = 0;
      var lineWidth = 0;
      for (var j = 0; j < line.tokens.length; j++) {
        var token = line.tokens[j];
        var tokenStyle = token.styleName && style.rich[token.styleName] || {};
        var textPadding = token.textPadding = tokenStyle.padding;
        var paddingH = textPadding ? textPadding[1] + textPadding[3] : 0;
        var font = token.font = tokenStyle.font || style.font;
        token.contentHeight = getLineHeight(font);
        var tokenHeight = retrieve2(tokenStyle.height, token.contentHeight);
        token.innerHeight = tokenHeight;
        textPadding && (tokenHeight += textPadding[0] + textPadding[2]);
        token.height = tokenHeight;
        token.lineHeight = retrieve3(tokenStyle.lineHeight, style.lineHeight, tokenHeight);
        token.align = tokenStyle && tokenStyle.align || style.align;
        token.verticalAlign = tokenStyle && tokenStyle.verticalAlign || "middle";
        if (truncateLine && topHeight != null && calculatedHeight + token.lineHeight > topHeight) {
          if (j > 0) {
            line.tokens = line.tokens.slice(0, j);
            finishLine(line, lineWidth, lineHeight);
            contentBlock.lines = contentBlock.lines.slice(0, i + 1);
          } else {
            contentBlock.lines = contentBlock.lines.slice(0, i);
          }
          break outer;
        }
        var styleTokenWidth = tokenStyle.width;
        var tokenWidthNotSpecified = styleTokenWidth == null || styleTokenWidth === "auto";
        if (typeof styleTokenWidth === "string" && styleTokenWidth.charAt(styleTokenWidth.length - 1) === "%") {
          token.percentWidth = styleTokenWidth;
          pendingList.push(token);
          token.contentWidth = getWidth(token.text, font);
        } else {
          if (tokenWidthNotSpecified) {
            var textBackgroundColor = tokenStyle.backgroundColor;
            var bgImg = textBackgroundColor && textBackgroundColor.image;
            if (bgImg) {
              bgImg = findExistImage(bgImg);
              if (isImageReady(bgImg)) {
                token.width = Math.max(token.width, bgImg.width * tokenHeight / bgImg.height);
              }
            }
          }
          var remainTruncWidth = truncate && topWidth != null ? topWidth - lineWidth : null;
          if (remainTruncWidth != null && remainTruncWidth < token.width) {
            if (!tokenWidthNotSpecified || remainTruncWidth < paddingH) {
              token.text = "";
              token.width = token.contentWidth = 0;
            } else {
              token.text = truncateText(token.text, remainTruncWidth - paddingH, font, style.ellipsis, { minChar: style.truncateMinChar });
              token.width = token.contentWidth = getWidth(token.text, font);
            }
          } else {
            token.contentWidth = getWidth(token.text, font);
          }
        }
        token.width += paddingH;
        lineWidth += token.width;
        tokenStyle && (lineHeight = Math.max(lineHeight, token.lineHeight));
      }
      finishLine(line, lineWidth, lineHeight);
    }
  contentBlock.outerWidth = contentBlock.width = retrieve2(topWidth, calculatedWidth);
  contentBlock.outerHeight = contentBlock.height = retrieve2(topHeight, calculatedHeight);
  contentBlock.contentHeight = calculatedHeight;
  contentBlock.contentWidth = calculatedWidth;
  if (stlPadding) {
    contentBlock.outerWidth += stlPadding[1] + stlPadding[3];
    contentBlock.outerHeight += stlPadding[0] + stlPadding[2];
  }
  for (var i = 0; i < pendingList.length; i++) {
    var token = pendingList[i];
    var percentWidth = token.percentWidth;
    token.width = parseInt(percentWidth, 10) / 100 * contentBlock.width;
  }
  return contentBlock;
}
function pushTokens(block, str, style, wrapInfo, styleName) {
  var isEmptyStr = str === "";
  var tokenStyle = styleName && style.rich[styleName] || {};
  var lines = block.lines;
  var font = tokenStyle.font || style.font;
  var newLine = false;
  var strLines;
  var linesWidths;
  if (wrapInfo) {
    var tokenPadding = tokenStyle.padding;
    var tokenPaddingH = tokenPadding ? tokenPadding[1] + tokenPadding[3] : 0;
    if (tokenStyle.width != null && tokenStyle.width !== "auto") {
      var outerWidth_1 = parsePercent(tokenStyle.width, wrapInfo.width) + tokenPaddingH;
      if (lines.length > 0) {
        if (outerWidth_1 + wrapInfo.accumWidth > wrapInfo.width) {
          strLines = str.split("\n");
          newLine = true;
        }
      }
      wrapInfo.accumWidth = outerWidth_1;
    } else {
      var res = wrapText(str, font, wrapInfo.width, wrapInfo.breakAll, wrapInfo.accumWidth);
      wrapInfo.accumWidth = res.accumWidth + tokenPaddingH;
      linesWidths = res.linesWidths;
      strLines = res.lines;
    }
  } else {
    strLines = str.split("\n");
  }
  for (var i = 0; i < strLines.length; i++) {
    var text = strLines[i];
    var token = new RichTextToken();
    token.styleName = styleName;
    token.text = text;
    token.isLineHolder = !text && !isEmptyStr;
    if (typeof tokenStyle.width === "number") {
      token.width = tokenStyle.width;
    } else {
      token.width = linesWidths ? linesWidths[i] : getWidth(text, font);
    }
    if (!i && !newLine) {
      var tokens = (lines[lines.length - 1] || (lines[0] = new RichTextLine())).tokens;
      var tokensLen = tokens.length;
      tokensLen === 1 && tokens[0].isLineHolder ? tokens[0] = token : (text || !tokensLen || isEmptyStr) && tokens.push(token);
    } else {
      lines.push(new RichTextLine([token]));
    }
  }
}
function isLatin(ch) {
  var code = ch.charCodeAt(0);
  return code >= 33 && code <= 383;
}
var breakCharMap = reduce(",&?/;] ".split(""), function(obj, ch) {
  obj[ch] = true;
  return obj;
}, {});
function isWordBreakChar(ch) {
  if (isLatin(ch)) {
    if (breakCharMap[ch]) {
      return true;
    }
    return false;
  }
  return true;
}
function wrapText(text, font, lineWidth, isBreakAll, lastAccumWidth) {
  var lines = [];
  var linesWidths = [];
  var line = "";
  var currentWord = "";
  var currentWordWidth = 0;
  var accumWidth = 0;
  for (var i = 0; i < text.length; i++) {
    var ch = text.charAt(i);
    if (ch === "\n") {
      if (currentWord) {
        line += currentWord;
        accumWidth += currentWordWidth;
      }
      lines.push(line);
      linesWidths.push(accumWidth);
      line = "";
      currentWord = "";
      currentWordWidth = 0;
      accumWidth = 0;
      continue;
    }
    var chWidth = getWidth(ch, font);
    var inWord = isBreakAll ? false : !isWordBreakChar(ch);
    if (!lines.length ? lastAccumWidth + accumWidth + chWidth > lineWidth : accumWidth + chWidth > lineWidth) {
      if (!accumWidth) {
        if (inWord) {
          lines.push(currentWord);
          linesWidths.push(currentWordWidth);
          currentWord = ch;
          currentWordWidth = chWidth;
        } else {
          lines.push(ch);
          linesWidths.push(chWidth);
        }
      } else if (line || currentWord) {
        if (inWord) {
          if (!line) {
            line = currentWord;
            currentWord = "";
            currentWordWidth = 0;
            accumWidth = currentWordWidth;
          }
          lines.push(line);
          linesWidths.push(accumWidth - currentWordWidth);
          currentWord += ch;
          currentWordWidth += chWidth;
          line = "";
          accumWidth = currentWordWidth;
        } else {
          if (currentWord) {
            line += currentWord;
            currentWord = "";
            currentWordWidth = 0;
          }
          lines.push(line);
          linesWidths.push(accumWidth);
          line = ch;
          accumWidth = chWidth;
        }
      }
      continue;
    }
    accumWidth += chWidth;
    if (inWord) {
      currentWord += ch;
      currentWordWidth += chWidth;
    } else {
      if (currentWord) {
        line += currentWord;
        currentWord = "";
        currentWordWidth = 0;
      }
      line += ch;
    }
  }
  if (!lines.length && !line) {
    line = text;
    currentWord = "";
    currentWordWidth = 0;
  }
  if (currentWord) {
    line += currentWord;
  }
  if (line) {
    lines.push(line);
    linesWidths.push(accumWidth);
  }
  if (lines.length === 1) {
    accumWidth += lastAccumWidth;
  }
  return {
    accumWidth,
    lines,
    linesWidths
  };
}
export { RichTextContentBlock, parsePlainText, parseRichText, truncateText };