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#include |
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#include |
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#include |
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4
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5
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#include "houdini.h" |
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7
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int |
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houdini_unescape_js(gh_buf *ob, const uint8_t *src, size_t size) |
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9
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{ |
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size_t i = 0, org, ch; |
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11
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12
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6
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50
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while (i < size) { |
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13
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org = i; |
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14
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41
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100
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while (i < size && src[i] != '\\') |
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100
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15
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35
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i++; |
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6
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50
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if (likely(i > org)) { |
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18
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6
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100
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if (unlikely(org == 0)) { |
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4
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100
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if (i >= size) |
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20
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return 0; |
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21
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22
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gh_buf_grow(ob, HOUDINI_UNESCAPED_SIZE(size)); |
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23
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} |
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24
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25
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4
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gh_buf_put(ob, src + org, i - org); |
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} |
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28
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/* escaping */ |
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29
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4
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100
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if (i == size) |
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30
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break; |
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31
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32
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2
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50
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if (++i == size) { |
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33
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0
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gh_buf_putc(ob, '\\'); |
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34
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0
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break; |
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35
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} |
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36
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37
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2
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ch = src[i]; |
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38
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39
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2
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switch (ch) { |
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40
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case 'n': |
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ch = '\n'; |
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/* pass through */ |
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43
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44
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case '\\': |
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45
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case '\'': |
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46
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case '\"': |
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47
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case '/': |
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48
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2
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gh_buf_putc(ob, ch); |
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49
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2
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i++; |
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50
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2
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break; |
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51
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52
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default: |
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53
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0
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gh_buf_putc(ob, '\\'); |
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54
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2
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break; |
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55
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} |
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56
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} |
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57
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58
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return 1; |
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59
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} |
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60
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