155 lines
8.0 KiB
JavaScript
155 lines
8.0 KiB
JavaScript
/**
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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function __transpileToJavaCommon(code) {
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return code
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.replace(/CSS_UNDEFINED/g, 'CSSConstants.UNDEFINED')
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.replace(/CSS_JUSTIFY_/g, 'CSSJustify.')
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.replace(/CSS_ALIGN_/g, 'CSSAlign.')
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.replace(/CSS_POSITION_/g, 'CSSPositionType.')
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.replace(/css_flex_direction_t/g, 'CSSFlexDirection')
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.replace(/css_direction_t/g, 'CSSDirection')
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.replace(/css_align_t/g, 'CSSAlign')
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.replace(/css_justify_t/g, 'CSSJustify')
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.replace(/css_dim_t/g, 'MeasureOutput')
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.replace(/bool/g, 'boolean')
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.replace(/style\[dim/g, 'style.dimensions[dim')
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.replace(/(style|layout)\.width/g, '$1.dimensions[DIMENSION_WIDTH]')
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.replace(/(style|layout)\.height/g, '$1.dimensions[DIMENSION_HEIGHT]')
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.replace(/layout\[dim/g, 'layout.dimensions[dim')
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.replace(/layout\[pos/g, 'layout.position[pos')
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.replace(/layout\[leading/g, 'layout.position[leading')
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.replace(/layout\[trailing/g, 'layout.position[trailing')
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.replace(/getPositionType\((.+?)\)/g, '$1.style.positionType')
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.replace(/getJustifyContent\((.+?)\)/g, '$1.style.justifyContent')
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.replace(/getAlignContent\((.+?)\)/g, '$1.style.alignContent')
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.replace(/isPosDefined\((.+?),\s*(.+?)\)/g, '!isUndefined\($1.style.position[$2]\)')
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.replace(/isDimDefined\((.+?),\s*(.+?)\)/g, '\(!isUndefined\($1.style.dimensions[dim[$2]]\) && $1.style.dimensions[dim[$2]] >= 0.0\)')
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.replace(/getPosition\((.+?),\s*(.+?)\)/g, '\(isUndefined\($1.style.position[$2]\) ? 0 : $1.style.position[$2]\)')
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.replace(/setTrailingPosition\((.+?),\s*(.+?),\s*(.+?)\)/g, '$2.layout.position[trailing[$3]] = $1.layout.dimensions[dim[$3]] - $2.layout.dimensions[dim[$3]] - $2.layout.position[pos[$3]]')
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.replace(/isFlex\((.+?)\)/g, '\($1.style.positionType == CSSPositionType.RELATIVE && $1.style.flex > 0\)')
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.replace(/isFlexWrap\((.+?)\)/g, '\($1.style.flexWrap == CSSWrap.WRAP\)')
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.replace(/getPaddingAndBorderAxis\((.+?),\s*(.+?)\)/g, '\(getLeadingPaddingAndBorder($1, $2) + getTrailingPaddingAndBorder($1, $2)\)')
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.replace(/getBorderAxis\((.+?),\s*(.+?)\)/g, '\(getLeadingBorder($1, $2) + getTrailingBorder($1, $2)\)')
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.replace(/getMarginAxis\((.+?),\s*(.+?)\)/g, '\(getLeadingMargin($1, $2) + getTrailingMargin($1, $2)\)')
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.replace(/getLeadingPaddingAndBorder\((.+?),\s*(.+?)\)/g, '\(getLeadingPadding($1, $2) + getLeadingBorder($1, $2)\)')
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.replace(/getTrailingPaddingAndBorder\((.+?),\s*(.+?)\)/g, '\(getTrailingPadding($1, $2) + getTrailingBorder($1, $2)\)')
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.replace(/getDimWithMargin\((.+?),\s*(.+?)\)/g, '\($1.layout.dimensions[dim[$2]] + getLeadingMargin($1, $2) + getTrailingMargin($1, $2)\)')
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.replace(/getLeadingMargin\((.+?),\s*(.+?)\)/g, '$1.style.margin.getWithFallback(leadingSpacing[$2], leading[$2])')
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.replace(/getTrailingMargin\((.+?),\s*(.+?)\)/g, '$1.style.margin.getWithFallback(trailingSpacing[$2], trailing[$2])')
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.replace(/getLeadingPadding\((.+?),\s*(.+?)\)/g, '$1.style.padding.getWithFallback(leadingSpacing[$2], leading[$2])')
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.replace(/getTrailingPadding\((.+?),\s*(.+?)\)/g, '$1.style.padding.getWithFallback(trailingSpacing[$2], trailing[$2])')
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.replace(/getLeadingBorder\((.+?),\s*(.+?)\)/g, '$1.style.border.getWithFallback(leadingSpacing[$2], leading[$2])')
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.replace(/getTrailingBorder\((.+?),\s*(.+?)\)/g, '$1.style.border.getWithFallback(trailingSpacing[$2], trailing[$2])')
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.replace(/isRowDirection\((.+?)\)/g, '\($1 == CSS_FLEX_DIRECTION_ROW || $1 == CSS_FLEX_DIRECTION_ROW_REVERSE\)')
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.replace(/isUndefined\((.+?)\)/g, 'Float.isNaN\($1\)')
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.replace(/\/\*\(c\)!([^*]+)\*\//g, '')
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.replace(/var\/\*\(java\)!([^*]+)\*\//g, '$1')
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.replace(/\/\*\(java\)!([^*]+)\*\//g, '$1');
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}
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function __transpileSingleTestToJava(code) {
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return __transpileToJavaCommon(code)
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.replace(/CSS_DIRECTION_/g, 'CSSDirection.')
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.replace(/CSS_FLEX_DIRECTION_/g, 'CSSFlexDirection.')
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.replace(/CSS_WRAP/g, 'CSSWrap.WRAP')
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.replace(/new_test_css_node/g, 'new TestCSSNode')
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.replace(// style.position[CSS_TOP] => style.position[CSSLayout.POSITION_TOP]
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/(style|layout)\.position\[CSS_(LEFT|TOP|RIGHT|BOTTOM)\]/g,
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function(str, match1, match2) {
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return match1 + '.position[POSITION_' + match2 + ']';
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})
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.replace(// style.dimensions[CSS_WIDTH] => style.dimensions[CSSLayout.DIMENSION_WIDTH]
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/(style|layout)\.dimensions\[CSS_(WIDTH|HEIGHT)\]/g,
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function(str, match1, match2) {
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return match1 + '.dimensions[DIMENSION_' + match2 + ']';
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})
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.replace(// style.maxDimensions[CSS_WIDTH] => style.maxWidth
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/(style|layout)\.maxDimensions\[CSS_(WIDTH|HEIGHT)\]/g,
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function(str, match1, match2) {
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return match1 + '.max' + match2.substr(0, 1).toUpperCase() + match2.substr(1).toLowerCase();
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})
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.replace(// style.minDimensions[CSS_WIDTH] => style.minWidth
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/(style|layout)\.minDimensions\[CSS_(WIDTH|HEIGHT)\]/g,
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function(str, match1, match2) {
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return match1 + '.min' + match2.substr(0, 1).toUpperCase() + match2.substr(1).toLowerCase();
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})
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.replace(// style.margin[CSS_TOP] = 12.3 => style.margin[Spacing.TOP].set(12.3)
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/style\.(margin|border|padding)\[CSS_(TOP|BOTTOM|LEFT|RIGHT|START|END)\]\s+=\s+(-?[\.\d]+)/g,
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function(str, match1, match2, match3) {
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var propertyCap = match1.charAt(0).toUpperCase() + match1.slice(1);
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return 'set' + propertyCap + '(Spacing.' + match2 + ', ' + match3 + ')';
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})
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.replace(// style.margin[CSS_TOP] => style.margin[Spacing.TOP]
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/style\.(margin|border|padding)\[CSS_(TOP|BOTTOM|LEFT|RIGHT|START|END)\]/g,
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function(str, match1, match2) {
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return 'style.' + match1 + '.get(Spacing.' + match2 + ')';
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})
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.replace(/get_child\(.*context\,\s([^\)]+)\)/g, 'getChildAt($1)')
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.replace(/init_css_node_children/g, 'addChildren')
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.replace(/css_node_t(\s)\*/g, 'TestCSSNode$1')
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.replace(/\->/g, '.')
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.replace(/(\d+\.\d+)/g, '$1f')
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.replace(// style.flex_direction => style.flexDirection
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/style\.([^_\[\]\s]+)_(\w)(\w+)/g,
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function(str, match1, match2, match3) {
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return 'style.' + match1 + match2.toUpperCase() + match3;
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})
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.replace(/(\w+)\.measure\s+=\s+.+/, '$1.setMeasureFunction(sTestMeasureFunction);');
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}
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function indent(code) {
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return code
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.split('\n')
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.map(function(line) { return ' ' + line; })
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.join('\n');
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}
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var JavaTranspiler = {
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transpileLayoutEngine: function(code) {
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return indent(
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__transpileToJavaCommon(code)
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.replace(/function\s+layoutNode.*/, '')
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.replace('node.style.measure', 'node.measure')
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.replace(/\.children\.length/g, '.getChildCount()')
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.replace(/node.children\[i\]/g, 'node.getChildAt(i)')
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.replace(/node.children\[ii\]/g, 'node.getChildAt(ii)')
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.replace(/fmaxf/g, 'Math.max')
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.replace(/\/\*\([^\/]+\*\/\n/g, '') // remove comments for other languages
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.replace(/var\/\*([^\/]+)\*\//g, '$1')
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.replace(/ === /g, ' == ')
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.replace(/ !== /g, ' != ')
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.replace(/\n {2}/g, '\n')
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.replace(/\/[*]!([^*]+)[*]\//g, '$1')
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.replace(/css_node_t\*/g, 'CSSNode'));
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},
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transpileCConstDefs: function(cConstDefs) {
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return indent(
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cConstDefs
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.replace(/#define\s+(\w+)\s+(\"[^\"]+\")/g, 'public static final String $1 = $2;')
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.replace(/#define\s+(\w+)\s+(.+)/g, 'public static final float $1 = $2f;'));
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},
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transpileCTestsArray: function(allTestsInC) {
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var allTestsInJava = [];
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for (var i = 0; i < allTestsInC.length; i++) {
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allTestsInJava[i] =
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' @Test\n' +
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' public void testCase' + i + '()\n' +
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__transpileSingleTestToJava(allTestsInC[i]);
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}
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return allTestsInJava.join('\n\n');
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}
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};
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if (typeof module !== 'undefined') {
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module.exports = JavaTranspiler;
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}
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