111 lines
4.4 KiB
JavaScript
111 lines
4.4 KiB
JavaScript
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_flex_direction_t/g, 'CSSFlexDirection')
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.replace(/CSS_FLEX_DIRECTION_/g, 'CSSFlexDirection.')
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.replace(/css_align_t/g, 'CSSAlign')
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.replace(/CSS_ALIGN_/g, 'CSSAlign.')
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.replace(/CSS_POSITION_/g, 'CSSPositionType.')
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.replace(/css_justify_t/g, 'CSSJustify')
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.replace(/CSS_JUSTIFY_/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(/^(\s+)([^\s]+)\s+\+=/gm, '$1$2 = $2 +') // Expand +=
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.replace(/leading\[([^\]]+)\]/g, 'getLeading($1)')
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.replace(/trailing\[([^\]]+)\]/g, 'getTrailing($1)')
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.replace(/pos\[([^\]]+)\]/g, 'getPos($1)')
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.replace(/dim\[([^\]]+)\]/g, 'getDim($1)')
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.replace(/isUndefined/g, 'FloatUtil.isUndefined')
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// Since Java doesn't store its attributes in arrays, we need to use setters/getters to access
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// the appropriate layout/style fields
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.replace(
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/(\w+)\.layout\[((?:getLeading|getPos)\([^\)]+\))\]\s+=\s+([^;]+);/gm,
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'setLayoutPosition($1, $2, $3);')
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.replace(/(\w+)\.layout\[((?:getLeading|getPos)\([^\]]+\))\]/g, 'getLayoutPosition($1, $2)')
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.replace(
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/(\w+)\.layout\[(getDim\([^\)]+\))\]\s+=\s+([^;]+);/gm,
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'setLayoutDimension($1, $2, $3);')
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.replace(/(\w+)\.layout\[(getDim\([^\]]+\))\]/g, 'getLayoutDimension($1, $2)')
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.replace(/(\w+)\.style\[((?:getLeading|getPos)\([^\]]+\))\]/g, 'getStylePosition($1, $2)')
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.replace(/(\w+)\.style\[(getDim\([^\]]+\))\]/g, 'getStyleDimension($1, $2)');
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}
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function __transpileSingleTestToJava(code) {
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return __transpileToJavaCommon(code)
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.replace(/new_test_css_node/g, 'new TestCSSNode')
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.replace( // style.dimensions[CSS_WIDTH] => style.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 + '.' + match2.toLowerCase();
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})
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.replace( // layout.position[CSS_TOP] => layout.y
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/layout\.position\[CSS_(TOP|LEFT)\]/g,
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function (str, match1) {
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return 'layout.' + (match1 == 'TOP' ? 'y' : 'x');
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})
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.replace( // style.position[CSS_TOP] => style.positionTop
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/style\.(position|margin|border|padding)\[CSS_(TOP|BOTTOM|LEFT|RIGHT)\]/g,
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function (str, match1, match2) {
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return 'style.' + match1 + match2[0] + match2.substring(1).toLowerCase();
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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(/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(/\n /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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