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3584 | sourcerer | 1 | /* |
2 | * This file was generated by LibCSS gen_parser |
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3 | * |
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4 | * Generated from: |
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5 | * |
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6 | * letter_spacing:CSS_PROP_LETTER_SPACING IDENT:( INHERIT: NORMAL:0,LETTER_SPACING_NORMAL IDENT:) LENGTH_UNIT:( UNIT_PX:LETTER_SPACING_SET DISALLOW:unit&UNIT_ANGLE||unit&UNIT_TIME||unit&UNIT_FREQ||unit&UNIT_PCT LENGTH_UNIT:) |
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7 | * |
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8 | * Licensed under the MIT License, |
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9 | * http://www.opensource.org/licenses/mit-license.php |
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10 | * Copyright 2010 The NetSurf Browser Project. |
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11 | */ |
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12 | |||
13 | #include |
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14 | #include |
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15 | |||
16 | #include "bytecode/bytecode.h" |
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17 | #include "bytecode/opcodes.h" |
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18 | #include "parse/properties/properties.h" |
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19 | #include "parse/properties/utils.h" |
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20 | |||
21 | /** |
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22 | * Parse letter_spacing |
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23 | * |
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24 | * \param c Parsing context |
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25 | * \param vector Vector of tokens to process |
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26 | * \param ctx Pointer to vector iteration context |
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27 | * \param result resulting style |
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28 | * \return CSS_OK on success, |
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29 | * CSS_NOMEM on memory exhaustion, |
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30 | * CSS_INVALID if the input is not valid |
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31 | * |
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32 | * Post condition: \a *ctx is updated with the next token to process |
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33 | * If the input is invalid, then \a *ctx remains unchanged. |
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34 | */ |
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35 | css_error css__parse_letter_spacing(css_language *c, |
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36 | const parserutils_vector *vector, int *ctx, |
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37 | css_style *result) |
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38 | { |
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39 | int orig_ctx = *ctx; |
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40 | css_error error; |
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41 | const css_token *token; |
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42 | bool match; |
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43 | |||
44 | token = parserutils_vector_iterate(vector, ctx); |
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45 | if (token == NULL) { |
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46 | *ctx = orig_ctx; |
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47 | return CSS_INVALID; |
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48 | } |
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49 | |||
50 | if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[INHERIT], &match) == lwc_error_ok && match)) { |
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51 | error = css_stylesheet_style_inherit(result, CSS_PROP_LETTER_SPACING); |
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52 | } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[NORMAL], &match) == lwc_error_ok && match)) { |
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53 | error = css__stylesheet_style_appendOPV(result, CSS_PROP_LETTER_SPACING, 0,LETTER_SPACING_NORMAL); |
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54 | } else { |
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55 | css_fixed length = 0; |
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56 | uint32_t unit = 0; |
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57 | *ctx = orig_ctx; |
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58 | |||
59 | error = css__parse_unit_specifier(c, vector, ctx, UNIT_PX, &length, &unit); |
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60 | if (error != CSS_OK) { |
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61 | *ctx = orig_ctx; |
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62 | return error; |
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63 | } |
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64 | |||
65 | if (unit&UNIT_ANGLE||unit&UNIT_TIME||unit&UNIT_FREQ||unit&UNIT_PCT) { |
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66 | *ctx = orig_ctx; |
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67 | return CSS_INVALID; |
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68 | } |
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69 | |||
70 | error = css__stylesheet_style_appendOPV(result, CSS_PROP_LETTER_SPACING, 0, LETTER_SPACING_SET); |
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71 | if (error != CSS_OK) { |
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72 | *ctx = orig_ctx; |
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73 | return error; |
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74 | } |
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75 | |||
76 | error = css__stylesheet_style_vappend(result, 2, length, unit); |
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77 | } |
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78 | |||
79 | if (error != CSS_OK) |
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80 | *ctx = orig_ctx; |
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81 | |||
82 | return error; |
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83 | } |
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84 |