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| 1 | # Markdown to html | |
| 2 | - | # Author: Chapman |
| 2 | + | |
| 3 | ||
| 4 | a = 'D:/Markdown/a.txt' | |
| 5 | file = open(a,'r') | |
| 6 | lines = file.read() | |
| 7 | file.close() | |
| 8 | ||
| 9 | lines = '\n'+lines+'\n' | |
| 10 | ||
| 11 | def blockQuote(lines): | |
| 12 | lines = re.sub('(\n>){1,}','\n>',lines)
| |
| 13 | #lines = re.sub(r'(\n>)','\n>',lines) | |
| 14 | lines1 = re.split(r'(\n>)',lines) | |
| 15 | lines2='' | |
| 16 | for idx, elem in enumerate(lines1): | |
| 17 | #if previous element is \n> then append it, | |
| 18 | #if previous element is \n> and next element is not \n> then append block code | |
| 19 | #else append with nothing | |
| 20 | if lines1[idx]=='\n>': | |
| 21 | lines2=lines2 | |
| 22 | elif lines1[idx-1]!='\n>': | |
| 23 | if idx != len(lines1)-1: | |
| 24 | if lines1[idx+1]=='\n>': | |
| 25 | lines2=lines2+str(elem)+'\n<blockquote>' | |
| 26 | else: | |
| 27 | lines2=lines2+str(elem) | |
| 28 | else: | |
| 29 | lines2=lines2+str(elem) | |
| 30 | elif lines1[idx-1] == '\n>': | |
| 31 | if idx != len(lines1)-1: | |
| 32 | if lines1[idx+1] != '\n>': | |
| 33 | lines2 = lines2 + re.sub(r'(?=\n)',r''+'\n</blockquote>',elem,count =1) | |
| 34 | else: | |
| 35 | lines2=lines2+'\n>'+str(elem) | |
| 36 | else: | |
| 37 | lines2 = lines2 +'\n>'+re.sub(r'(?=\n)',r''+'\n</blockquote>',elem,count =1) | |
| 38 | return lines2 | |
| 39 | ||
| 40 | def header(lines): | |
| 41 | for x in reversed(range(1,6)): # headers only work from 1 to 6 | |
| 42 | lines = re.sub(r'(?<=\n)(?:[#]{'+str(x)+'}\s)([^\n]+)',r'\1'+'</h'+str(x)+'>\n',lines)
| |
| 43 | lines = re.sub(r'(?<=\n)(?:(?:> )[#]{'+str(x)+'}\s)([^\n]+)',r'> \1'+'</h'+str(x)+'>\n',lines) #for block quotes
| |
| 44 | lines = re.sub(r'([\s#]+)(</h[1-6]?)',r'\2',lines) | |
| 45 | lines = re.sub(r'\n[=]+\n',r'</h1>\n',lines) | |
| 46 | lines = re.sub(r'\n[-]+\n',r'</h2>\n',lines) | |
| 47 | for x in reversed(range(1,6)): #add the h tags to the beginning of the line | |
| 48 | lines = re.sub(r'(?<=\n)(?=[^\n]+</h'+str(x)+'>)',r'<h'+str(x)+'>',lines) | |
| 49 | return lines | |
| 50 | ||
| 51 | def paragraph(lines): | |
| 52 | lines = re.sub(r'(<[hH][1-6]>)>\s+',r'\1',lines) | |
| 53 | lines = re.sub(r'\n>','\n<p>',lines) | |
| 54 | lines = re.sub(r'(?<=\n\n)(?=[^><\s])','<p>',lines) | |
| 55 | lines = re.sub(r'([\n]{3,})','\n\n',lines)
| |
| 56 | lines = re.sub(r'(?<=[^>])(?=\n\n)',r'</p>',lines) | |
| 57 | return lines | |
| 58 | ||
| 59 | def emphasis(lines): | |
| 60 | lines = re.sub(r'\*{2}([^\n]+)\*{2}',r'<strong>\1</strong>',lines)
| |
| 61 | lines = re.sub(r'_{2}([^\n]+)_{2}',r'<strong>\1</strong>',lines)
| |
| 62 | lines = re.sub(r'[\*_]([^\n]+)[\*_]',r'<b>\1</b>',lines) | |
| 63 | return lines | |
| 64 | ||
| 65 | def List(lines): | |
| 66 | lines1 = re.split(r'(\n[0-9]+\.)',lines) | |
| 67 | #get the indices for 1. | |
| 68 | b = [elem for elem in range(len(lines1)) if lines1[elem]=='\n1.'] | |
| 69 | lines2 = lines1 | |
| 70 | ||
| 71 | for elem in b: | |
| 72 | lines2[elem] = '\n\n<ol>\n<li>' | |
| 73 | i = 1 | |
| 74 | dummy = str(i+1) | |
| 75 | index = min(elem+2,len(lines2)-1) | |
| 76 | while (dummy==str(i+1)): | |
| 77 | index = min(index,len(lines2)-1) | |
| 78 | dummy = re.sub(r'\n([0-9]+)\.',r'\1',lines2[index]) | |
| 79 | if dummy==str(i+1): | |
| 80 | lines2[index] = '\n<li>' | |
| 81 | i+=1 | |
| 82 | dummy = str(i+1) | |
| 83 | index += 2 | |
| 84 | lines3 = '' | |
| 85 | for elem in lines2: | |
| 86 | lines3 = lines3 + elem | |
| 87 | lines3 = re.sub(r'(<li>[^\n]+)(?=\n)',r'\1</li>',lines3) | |
| 88 | lines3 = re.sub(r'(</li>\n)(?=[^<])',r'\1</ol>\n\n',lines3) | |
| 89 | lines3 = re.sub(r'(?<=\n)([\*+-])',r'<li>\1',lines3) | |
| 90 | lines3 = re.sub(r'(<li>[\*+-][^\n]+)(?=\n)',r'\1</li>',lines3) | |
| 91 | lines3 = re.sub(r'(<li>[\*+-][\s]+)','<li>',lines3) | |
| 92 | return lines3 | |
| 93 | ||
| 94 | lines = List(lines) | |
| 95 | lines = emphasis(lines) | |
| 96 | lines = blockQuote(lines) | |
| 97 | lines = header(lines) | |
| 98 | lines = paragraph(lines) | |
| 99 | ||
| 100 | f = open("D:/test1.html","w")
| |
| 101 | f.write(lines) | |
| 102 | f.close() |
