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84 lines
2.5 KiB
84 lines
2.5 KiB
var fs = require('fs');
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module.exports = function(file_path, callback){
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var insertTabs = function(num_tabs) {
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var result = '';
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for(var i = 0; i < num_tabs; i++){
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result += '\t';
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}
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return result;
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}
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var emptyHTMLStack = function(html_stack){
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var result = '';
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while(html_stack.length > 0){
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result += html_stack.pop();
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}
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return result;
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}
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var popHTMLStack = function(html_stack, current_line_num_tabs, previous_line_num_tabs){
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var result = '';
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for(var i = previous_line_num_tabs; i > current_line_num_tabs; i--){
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result += html_stack.pop();
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result += html_stack.pop();
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result += html_stack.pop();
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}
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return result;
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}
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var parseFile = function(data, callback){
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var previous_line_num_tabs = -1;
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var lines = data.split('\n');
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var html = '';
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var html_stack = [];
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for(var i = 0; i < lines.length; i++){
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if(lines[i] !== ''){
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var tabs_array = lines[i].split('\t');
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var current_line_num_tabs = tabs_array.length - 1;
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if(current_line_num_tabs > previous_line_num_tabs){
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html += insertTabs(current_line_num_tabs * 2) + '<ul>\n';
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html_stack.push( insertTabs(current_line_num_tabs * 2) + '</ul>\n');
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} else if (current_line_num_tabs === previous_line_num_tabs) {
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html += html_stack.pop();
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}
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else if(current_line_num_tabs < previous_line_num_tabs){
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html += popHTMLStack(html_stack, current_line_num_tabs, previous_line_num_tabs);
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}
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html += insertTabs((current_line_num_tabs * 2) + 1) + '<li>\n';
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html += insertTabs((current_line_num_tabs * 2) + 2) + tabs_array[tabs_array.length - 1] + '\n';
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html_stack.push(insertTabs((current_line_num_tabs * 2) + 1) + '</li>\n');
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previous_line_num_tabs = current_line_num_tabs;
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}
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}
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/* lines.forEach(function(value, index){
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if(value !== ''){
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var split_value = value.split('\t');
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var num_tabs = split_value.length - 1;
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if(num_tabs > previous_line){
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html += '\n' + insertTabs(num_tabs * 2) + '<ul>';
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var html_push_string = '\n' + insertTabs(num_tabs * 2) + '</ul>';
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tabStack.push(html_push_string);
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}
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html += '\n' + insertTabs(num_tabs * 2 + 1) +
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'<li>' + split_value[split_value.length - 1] + '</li>';
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previous_line = num_tabs;
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}
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});
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*/
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html += emptyHTMLStack(html_stack);
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callback(html);
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}
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fs.readFile(file_path, 'utf8', function(err, data){
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if(err){
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console.log(err);
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} else {
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parseFile(data, function(html){
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var result = '<html><head></head><body>\n';
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result += html;
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result += '</body></html>';
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callback(result);
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});
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}
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});
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};
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