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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 | * line_height:CSS_PROP_LINE_HEIGHT IDENT:( INHERIT: NORMAL:0,LINE_HEIGHT_NORMAL IDENT:) NUMBER:( false:LINE_HEIGHT_NUMBER RANGE:num<0 NUMBER:) LENGTH_UNIT:( UNIT_PX:LINE_HEIGHT_DIMENSION DISALLOW:unit&UNIT_ANGLE||unit&UNIT_TIME||unit&UNIT_FREQ RANGE:<0 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 line_height |
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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_line_height(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_LINE_HEIGHT); |
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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_LINE_HEIGHT, 0,LINE_HEIGHT_NORMAL); |
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| 54 | } else if (token->type == CSS_TOKEN_NUMBER) { |
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| 55 | css_fixed num = 0; |
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| 56 | size_t consumed = 0; |
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| 57 | |||
| 58 | num = css__number_from_lwc_string(token->idata, false, &consumed); |
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| 59 | /* Invalid if there are trailing characters */ |
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| 60 | if (consumed != lwc_string_length(token->idata)) { |
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| 61 | *ctx = orig_ctx; |
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| 62 | return CSS_INVALID; |
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| 63 | } |
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| 64 | if (num<0) { |
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| 65 | *ctx = orig_ctx; |
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| 66 | return CSS_INVALID; |
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| 67 | } |
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| 68 | |||
| 69 | error = css__stylesheet_style_appendOPV(result, CSS_PROP_LINE_HEIGHT, 0, LINE_HEIGHT_NUMBER); |
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| 70 | if (error != CSS_OK) { |
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| 71 | *ctx = orig_ctx; |
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| 72 | return error; |
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| 73 | } |
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| 74 | |||
| 75 | error = css__stylesheet_style_append(result, num); |
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| 76 | } else { |
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| 77 | css_fixed length = 0; |
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| 78 | uint32_t unit = 0; |
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| 79 | *ctx = orig_ctx; |
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| 80 | |||
| 81 | error = css__parse_unit_specifier(c, vector, ctx, UNIT_PX, &length, &unit); |
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| 82 | if (error != CSS_OK) { |
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| 83 | *ctx = orig_ctx; |
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| 84 | return error; |
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| 85 | } |
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| 86 | |||
| 87 | if (unit&UNIT_ANGLE||unit&UNIT_TIME||unit&UNIT_FREQ) { |
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| 88 | *ctx = orig_ctx; |
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| 89 | return CSS_INVALID; |
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| 90 | } |
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| 91 | |||
| 92 | if (length <0) { |
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| 93 | *ctx = orig_ctx; |
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| 94 | return CSS_INVALID; |
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| 95 | } |
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| 96 | |||
| 97 | error = css__stylesheet_style_appendOPV(result, CSS_PROP_LINE_HEIGHT, 0, LINE_HEIGHT_DIMENSION); |
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| 98 | if (error != CSS_OK) { |
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| 99 | *ctx = orig_ctx; |
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| 100 | return error; |
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| 101 | } |
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| 102 | |||
| 103 | error = css__stylesheet_style_vappend(result, 2, length, unit); |
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| 104 | } |
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| 105 | |||
| 106 | if (error != CSS_OK) |
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| 107 | *ctx = orig_ctx; |
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| 108 | |||
| 109 | return error; |
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| 110 | } |
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| 111 |