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@@ -0,0 +1,72 b'' | |||||
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1 | """Latex transformer. | |||
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2 | ||||
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3 | Module that allows latex output notebooks to be conditioned before | |||
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4 | they are converted. | |||
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5 | """ | |||
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6 | #----------------------------------------------------------------------------- | |||
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7 | # Copyright (c) 2013, the IPython Development Team. | |||
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8 | # | |||
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9 | # Distributed under the terms of the Modified BSD License. | |||
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10 | # | |||
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11 | # The full license is in the file COPYING.txt, distributed with this software. | |||
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12 | #----------------------------------------------------------------------------- | |||
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13 | ||||
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14 | #----------------------------------------------------------------------------- | |||
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15 | # Imports | |||
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16 | #----------------------------------------------------------------------------- | |||
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17 | from __future__ import print_function | |||
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18 | ||||
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19 | #----------------------------------------------------------------------------- | |||
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20 | # Functions | |||
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21 | #----------------------------------------------------------------------------- | |||
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22 | def rm_math_space(text): | |||
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23 | """ | |||
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24 | Remove the space between latex math commands and enclosing $ symbols. | |||
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25 | """ | |||
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26 | ||||
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27 | # First, scan through the markdown looking for $. If | |||
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28 | # a $ symbol is found, without a preceding \, assume | |||
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29 | # it is the start of a math block. UNLESS that $ is | |||
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30 | # not followed by another within two math_lines. | |||
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31 | math_regions = [] | |||
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32 | math_lines = 0 | |||
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33 | within_math = False | |||
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34 | math_start_index = 0 | |||
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35 | ptext = '' | |||
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36 | last_character = "" | |||
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37 | skip = False | |||
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38 | for index, char in enumerate(text): | |||
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39 | ||||
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40 | #Make sure the character isn't preceeded by a backslash | |||
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41 | if (char == "$" and last_character != "\\"): | |||
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42 | ||||
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43 | # Close the math region if this is an ending $ | |||
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44 | if within_math: | |||
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45 | within_math = False | |||
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46 | skip = True | |||
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47 | ptext = ptext+'$'+text[math_start_index+1:index].strip()+'$' | |||
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48 | math_regions.append([math_start_index, index+1]) | |||
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49 | else: | |||
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50 | ||||
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51 | # Start a new math region | |||
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52 | within_math = True | |||
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53 | math_start_index = index | |||
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54 | math_lines = 0 | |||
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55 | ||||
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56 | # If we are in a math region, count the number of lines parsed. | |||
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57 | # Cancel the math region if we find two line breaks! | |||
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58 | elif char == "\n": | |||
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59 | if within_math: | |||
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60 | math_lines += 1 | |||
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61 | if math_lines > 1: | |||
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62 | within_math = False | |||
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63 | ptext = ptext+text[math_start_index:index] | |||
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64 | ||||
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65 | # Remember the last character so we can easily watch | |||
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66 | # for backslashes | |||
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67 | last_character = char | |||
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68 | if not within_math and not skip: | |||
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69 | ptext = ptext+char | |||
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70 | if skip: | |||
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71 | skip = False | |||
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72 | return ptext |
1 | NO CONTENT: modified file |
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NO CONTENT: modified file |
1 | NO CONTENT: file renamed from utils/datatypefilter.py to filters/datatypefilter.py |
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NO CONTENT: file renamed from utils/datatypefilter.py to filters/datatypefilter.py |
1 | NO CONTENT: file renamed from utils/markdown.py to filters/markdown.py |
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NO CONTENT: file renamed from utils/markdown.py to filters/markdown.py |
1 | NO CONTENT: file renamed from utils/strings.py to filters/strings.py |
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NO CONTENT: file renamed from utils/strings.py to filters/strings.py |
@@ -40,58 +40,3 b' class LatexTransformer(ActivatableTransformer):' | |||||
40 | if hasattr(cell, "source") and cell.cell_type == "markdown": |
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40 | if hasattr(cell, "source") and cell.cell_type == "markdown": | |
41 | cell.source = rm_math_space(cell.source) |
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41 | cell.source = rm_math_space(cell.source) | |
42 | return cell, other |
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42 | return cell, other | |
43 |
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44 | #----------------------------------------------------------------------------- |
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45 | # Functions |
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46 | #----------------------------------------------------------------------------- |
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47 | def rm_math_space(text): |
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48 | """ |
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49 | Remove the space between latex math commands and enclosing $ symbols. |
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50 | """ |
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51 |
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52 | # First, scan through the markdown looking for $. If |
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53 | # a $ symbol is found, without a preceding \, assume |
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54 | # it is the start of a math block. UNLESS that $ is |
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55 | # not followed by another within two math_lines. |
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56 | math_regions = [] |
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57 | math_lines = 0 |
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58 | within_math = False |
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59 | math_start_index = 0 |
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60 | ptext = '' |
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61 | last_character = "" |
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62 | skip = False |
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63 | for index, char in enumerate(text): |
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64 |
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65 | #Make sure the character isn't preceeded by a backslash |
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66 | if (char == "$" and last_character != "\\"): |
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67 |
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68 | # Close the math region if this is an ending $ |
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69 | if within_math: |
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70 | within_math = False |
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71 | skip = True |
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72 | ptext = ptext+'$'+text[math_start_index+1:index].strip()+'$' |
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73 | math_regions.append([math_start_index, index+1]) |
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74 | else: |
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75 |
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76 | # Start a new math region |
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77 | within_math = True |
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78 | math_start_index = index |
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79 | math_lines = 0 |
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80 |
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81 | # If we are in a math region, count the number of lines parsed. |
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82 | # Cancel the math region if we find two line breaks! |
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83 | elif char == "\n": |
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84 | if within_math: |
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85 | math_lines += 1 |
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86 | if math_lines > 1: |
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87 | within_math = False |
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88 | ptext = ptext+text[math_start_index:index] |
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89 |
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90 | # Remember the last character so we can easily watch |
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91 | # for backslashes |
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92 | last_character = char |
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93 | if not within_math and not skip: |
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94 | ptext = ptext+char |
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95 | if skip: |
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96 | skip = False |
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97 | return ptext |
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