From dde3084106a70b9a79d48f426f6d6fec6fd203f7 Mon Sep 17 00:00:00 2001 From: akianonymus Date: Mon, 27 Feb 2023 14:30:10 +0530 Subject: Separate parsers into individual files --- doc/colorizer.txt | 231 +++++++++++------ doc/index.html | 27 +- doc/modules/colorizer.buffer.html | 5 + doc/modules/colorizer.color.html | 187 +------------- doc/modules/colorizer.html | 5 + doc/modules/colorizer.matcher.html | 5 + doc/modules/colorizer.parser.argb_hex.html | 124 +++++++++ doc/modules/colorizer.parser.hsl.html | 127 ++++++++++ doc/modules/colorizer.parser.names.html | 120 +++++++++ doc/modules/colorizer.parser.rgb.html | 127 ++++++++++ doc/modules/colorizer.parser.rgba_hex.html | 127 ++++++++++ doc/modules/colorizer.sass.html | 5 + doc/modules/colorizer.tailwind.html | 5 + doc/modules/colorizer.trie.html | 5 + doc/modules/colorizer.utils.html | 5 + lua/colorizer/color.lua | 394 +---------------------------- lua/colorizer/matcher.lua | 23 +- lua/colorizer/parser/argb_hex.lua | 58 +++++ lua/colorizer/parser/hsl.lua | 110 ++++++++ lua/colorizer/parser/names.lua | 84 ++++++ lua/colorizer/parser/rgb.lua | 114 +++++++++ lua/colorizer/parser/rgba_hex.lua | 68 +++++ 22 files changed, 1288 insertions(+), 668 deletions(-) create mode 100644 doc/modules/colorizer.parser.argb_hex.html create mode 100644 doc/modules/colorizer.parser.hsl.html create mode 100644 doc/modules/colorizer.parser.names.html create mode 100644 doc/modules/colorizer.parser.rgb.html create mode 100644 doc/modules/colorizer.parser.rgba_hex.html create mode 100644 lua/colorizer/parser/argb_hex.lua create mode 100644 lua/colorizer/parser/hsl.lua create mode 100644 lua/colorizer/parser/names.lua create mode 100644 lua/colorizer/parser/rgb.lua create mode 100644 lua/colorizer/parser/rgba_hex.lua diff --git a/doc/colorizer.txt b/doc/colorizer.txt index a7d21b5..491e5b5 100644 --- a/doc/colorizer.txt +++ b/doc/colorizer.txt @@ -412,34 +412,124 @@ default_namespace *colorizer.buffer.default_namespace* ============================================================================== COLOR *colorizer.color-introduction* -Helper functions to parse different colour formats +Helper color functions ============================================================================== LUA API *colorizer.color-lua-api* Functions: ~ - |argb_hex_parser| - parse for 0xaarrggbb and return rgb hex. - |hsl_to_rgb| - Converts an HSL color value to RGB. - |hsl_function_parser| - Parse for hsl() hsla() css function and return rgb - hex. - |hue_to_rgb| - Convert hsl colour values to rgb. |is_bright| - Determine whether to use black or white text. - |name_parser| - Grab all the colour values from `vim.api.nvim_get_color_map` - and create a lookup table. - |rgb_function_parser| - Parse for rgb() rgba() css function and return rgb - hex. +hsl_to_rgb({h}, {s}, {l}) *colorizer.color.hsl_to_rgb* + Converts an HSL color value to RGB. + + Parameters: ~ + {h} - number: Hue + {s} - number: Saturation + {l} - number: Lightness + + returns:~ + number or nil,number or nil,number or nil + + + +hue_to_rgb({p}, {q}, {t}) *colorizer.color.hue_to_rgb* + Convert hsl colour values to rgb. + + Source: https://gist.github.com/mjackson/5311256 + + + Parameters: ~ + {p} - number + {q} - number + {t} - number + + returns:~ + number + + + +is_bright({r}, {g}, {b}) *colorizer.color.is_bright* + Determine whether to use black or white text. + + + ref: https://stackoverflow.com/a/1855903/837964 + https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color + + + Parameters: ~ + {r} - number: Red + {g} - number: Green + {b} - number: Blue + + + +============================================================================== +MATCHER *colorizer.matcher-introduction* + +Helper functions for colorizer to enable required parsers + + +============================================================================== +LUA API *colorizer.matcher-lua-api* + +Functions: ~ + |compile| - Form a trie stuct with the given prefixes + + |make| - Parse the given options and return a function with enabled parsers. + + +compile({matchers}, {matchers_trie}) *colorizer.matcher.compile* + Form a trie stuct with the given prefixes + + Parameters: ~ + {matchers} - table: List of prefixes, {"rgb", "hsl"} + {matchers_trie} - table: Table containing information regarding + non-trie based parsers + + returns:~ + function: function which will just parse the line for enabled parsers + + + +make({options}) *colorizer.matcher.make* + Parse the given options and return a function with enabled parsers. + + if no parsers enabled then return false + Do not try make the function again if it is present in the cache - |rgba_hex_parser| - parse for #rrggbbaa and return rgb hex. + Parameters: ~ + {options} - table: options created in `colorizer.setup` -argb_hex_parser({line}, {i}) *colorizer.color.argb_hex_parser* + returns:~ + function or boolean: function which will just parse the line for enabled + parsers + + + +============================================================================== +ARGB_HEX *colorizer.parser.argb_hex-introduction* + +Helper function to parse argb + + +============================================================================== +LUA API *colorizer.parser.argb_hex-lua-api* + +Functions: ~ + |parser.argb_hex_parser| - parse for 0xaarrggbb and return rgb hex. + + + + *colorizer.parser.argb_hex.parser.argb_hex_parser* +parser.argb_hex_parser({line}, {i}) parse for 0xaarrggbb and return rgb hex. a format used in android apps @@ -455,20 +545,23 @@ argb_hex_parser({line}, {i}) *colorizer.color.argb_hex_parser* -hsl_to_rgb({h}, {s}, {l}) *colorizer.color.hsl_to_rgb* - Converts an HSL color value to RGB. +============================================================================== +HSL *colorizer.parser.hsl-introduction* - Parameters: ~ - {h} - number: Hue - {s} - number: Saturation - {l} - number: Lightness +Helper function to parse argb - returns:~ - number or nil,number or nil,number or nil + +============================================================================== +LUA API *colorizer.parser.hsl-lua-api* + +Functions: ~ + |parser.hsl_function_parser| - Parse for hsl() hsla() css function and + return rgb hex. -hsl_function_parser({line}, {i}, {opts}) *colorizer.color.hsl_function_parser* + *colorizer.parser.hsl.parser.hsl_function_parser* +parser.hsl_function_parser({line}, {i}, {opts}) Parse for hsl() hsla() css function and return rgb hex. For more info: @@ -486,38 +579,23 @@ hsl_function_parser({line}, {i}, {opts}) *colorizer.color.hsl_function_parser* -hue_to_rgb({p}, {q}, {t}) *colorizer.color.hue_to_rgb* - Convert hsl colour values to rgb. - - Source: https://gist.github.com/mjackson/5311256 - - - Parameters: ~ - {p} - number - {q} - number - {t} - number - - returns:~ - number - - - -is_bright({r}, {g}, {b}) *colorizer.color.is_bright* - Determine whether to use black or white text. +============================================================================== +NAMES *colorizer.parser.names-introduction* +Helper function to parse argb - ref: https://stackoverflow.com/a/1855903/837964 - https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color +============================================================================== +LUA API *colorizer.parser.names-lua-api* - Parameters: ~ - {r} - number: Red - {g} - number: Green - {b} - number: Blue +Functions: ~ + |parser.name_parser| - Grab all the colour values from + `vim.api.nvim_get_color_map` and create a lookup table. -name_parser({line}, {i}, {opts}) *colorizer.color.name_parser* + *colorizer.parser.names.parser.name_parser* +parser.name_parser({line}, {i}, {opts}) Grab all the colour values from `vim.api.nvim_get_color_map` and create a lookup table. @@ -531,25 +609,22 @@ name_parser({line}, {i}, {opts}) *colorizer.color.name_parser* -rgb_function_parser({line}, {i}, {opts}) *colorizer.color.rgb_function_parser* - Parse for rgb() rgba() css function and return rgb hex. +============================================================================== +RGBA_HEX *colorizer.parser.rgba_hex-introduction* - For more info: - https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb +Helper function to parse argb - Parameters: ~ - {line} - string: Line to parse - {i} - number: Index of line from where to start parsing - {opts} - table: Values passed from matchers like prefix +============================================================================== +LUA API *colorizer.parser.rgba_hex-lua-api* - returns:~ - number or nil: Index of line where the rgb/rgba function ended - string or nil: rgb hex value +Functions: ~ + |parser.rgba_hex_parser| - parse for #rrggbbaa and return rgb hex. -rgba_hex_parser({line}, {i}, {opts}) *colorizer.color.rgba_hex_parser* + *colorizer.parser.rgba_hex.parser.rgba_hex_parser* +parser.rgba_hex_parser({line}, {i}, {opts}) parse for #rrggbbaa and return rgb hex. a format used in android apps @@ -567,46 +642,36 @@ rgba_hex_parser({line}, {i}, {opts}) *colorizer.color.rgba_hex_parser* ============================================================================== -MATCHER *colorizer.matcher-introduction* +RGB *colorizer.parser.rgb-introduction* -Helper functions for colorizer to enable required parsers +Helper function to parse argb ============================================================================== -LUA API *colorizer.matcher-lua-api* +LUA API *colorizer.parser.rgb-lua-api* Functions: ~ - |compile| - Form a trie stuct with the given prefixes + |parser.rgb_function_parser| - Parse for rgb() rgba() css function and + return rgb hex. - |make| - Parse the given options and return a function with enabled parsers. -compile({matchers}, {matchers_trie}) *colorizer.matcher.compile* - Form a trie stuct with the given prefixes - - Parameters: ~ - {matchers} - table: List of prefixes, {"rgb", "hsl"} - {matchers_trie} - table: Table containing information regarding - non-trie based parsers - - returns:~ - function: function which will just parse the line for enabled parsers - - - -make({options}) *colorizer.matcher.make* - Parse the given options and return a function with enabled parsers. + *colorizer.parser.rgb.parser.rgb_function_parser* +parser.rgb_function_parser({line}, {i}, {opts}) + Parse for rgb() rgba() css function and return rgb hex. - if no parsers enabled then return false - Do not try make the function again if it is present in the cache + For more info: + https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb Parameters: ~ - {options} - table: options created in `colorizer.setup` + {line} - string: Line to parse + {i} - number: Index of line from where to start parsing + {opts} - table: Values passed from matchers like prefix returns:~ - function or boolean: function which will just parse the line for enabled - parsers + number or nil: Index of line where the rgb/rgba function ended + string or nil: rgb hex value diff --git a/doc/index.html b/doc/index.html index 7735382..3070ca2 100644 --- a/doc/index.html +++ b/doc/index.html @@ -35,6 +35,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • @@ -59,12 +64,32 @@ colorizer.color - Helper functions to parse different colour formats + Helper color functions colorizer.matcher Helper functions for colorizer to enable required parsers + + colorizer.parser.argb_hex + Helper function to parse argb + + + colorizer.parser.hsl + Helper function to parse argb + + + colorizer.parser.names + Helper function to parse argb + + + colorizer.parser.rgb + Helper function to parse argb + + + colorizer.parser.rgba_hex + Helper function to parse argb + colorizer.sass Helper functions to parse sass color variables diff --git a/doc/modules/colorizer.buffer.html b/doc/modules/colorizer.buffer.html index 6bce06a..53de887 100644 --- a/doc/modules/colorizer.buffer.html +++ b/doc/modules/colorizer.buffer.html @@ -44,6 +44,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.color.html b/doc/modules/colorizer.color.html index 5947611..37a92cd 100644 --- a/doc/modules/colorizer.color.html +++ b/doc/modules/colorizer.color.html @@ -42,6 +42,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • @@ -53,7 +58,7 @@

    Module colorizer.color

    -

    Helper functions to parse different colour formats

    +

    Helper color functions

    @@ -61,19 +66,11 @@

    Functions

    - - - - - - - - @@ -81,18 +78,6 @@ - - - - - - - - - - - -
    argb_hex_parser (line, i)parse for 0xaarrggbb and return rgb hex.
    hsl_to_rgb (h, s, l) Converts an HSL color value to RGB.
    hsl_function_parser (line, i, opts)Parse for hsl() hsla() css function and return rgb hex.
    hue_to_rgb (p, q, t) Convert hsl colour values to rgb.
    is_bright (r, g, b) Determine whether to use black or white text.
    name_parser (line, i, opts)Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table.
    rgb_function_parser (line, i, opts)Parse for rgb() rgba() css function and return rgb hex.
    rgba_hex_parser (line, i, opts)parse for #rrggbbaa and return rgb hex.

    @@ -102,37 +87,6 @@

    Functions

    -
    - - argb_hex_parser (line, i) -
    -
    - parse for 0xaarrggbb and return rgb hex. - a format used in android apps - - -

    Parameters:

    -
      -
    • line - string: line to parse -
      • -
    • i - number: index of line from where to start parsing -
      • -
    - -

    Returns:

    -
      -
    1. - number|nil: index of line where the hex value ended
      2. -
    2. - string|nil: rgb hex value
      3. -
    - - - - -
    hsl_to_rgb (h, s, l) @@ -163,40 +117,6 @@ - -
    - - hsl_function_parser (line, i, opts) -
    -
    - Parse for hsl() hsla() css function and return rgb hex. - For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl - - -

    Parameters:

    -
      -
    • line - string: Line to parse -
      • -
    • i - number: Index of line from where to start parsing -
      • -
    • opts - table: Values passed from matchers like prefix -
      • -
    - -

    Returns:

    -
      -
    1. - number|nil: Index of line where the hsla/hsl function ended
      2. -
    2. - string|nil: rgb hex value
      3. -
    - - - -
    @@ -258,101 +178,6 @@ - -
    - - name_parser (line, i, opts) -
    -
    - Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table. - COLOR_MAP is used to store the colour values - - -

    Parameters:

    -
      -
    • line - string: Line to parse -
      • -
    • i - number: Index of line from where to start parsing -
      • -
    • opts - table: Currently contains whether tailwind is enabled or not -
      • -
    - - - - - -
    -
    - - rgb_function_parser (line, i, opts) -
    -
    - Parse for rgb() rgba() css function and return rgb hex. - For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb - - -

    Parameters:

    -
      -
    • line - string: Line to parse -
      • -
    • i - number: Index of line from where to start parsing -
      • -
    • opts - table: Values passed from matchers like prefix -
      • -
    - -

    Returns:

    -
      -
    1. - number|nil: Index of line where the rgb/rgba function ended
      2. -
    2. - string|nil: rgb hex value
      3. -
    - - - - -
    -
    - - rgba_hex_parser (line, i, opts) -
    -
    - parse for #rrggbbaa and return rgb hex. - a format used in android apps - - -

    Parameters:

    -
      -
    • line - string: line to parse -
      • -
    • i - number: index of line from where to start parsing -
      • -
    • opts - table: Containing minlen, maxlen, valid_lengths -
      • -
    - -

    Returns:

    -
      -
    1. - number|nil: index of line where the hex value ended
      2. -
    2. - string|nil: rgb hex value
      3. -
    - - - -
    diff --git a/doc/modules/colorizer.html b/doc/modules/colorizer.html index 1d338e1..ad89e1b 100644 --- a/doc/modules/colorizer.html +++ b/doc/modules/colorizer.html @@ -44,6 +44,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.matcher.html b/doc/modules/colorizer.matcher.html index 3034bb2..971193b 100644 --- a/doc/modules/colorizer.matcher.html +++ b/doc/modules/colorizer.matcher.html @@ -42,6 +42,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.parser.argb_hex.html b/doc/modules/colorizer.parser.argb_hex.html new file mode 100644 index 0000000..52b4387 --- /dev/null +++ b/doc/modules/colorizer.parser.argb_hex.html @@ -0,0 +1,124 @@ + + + + + colorizer Docs + + + + +
    + +
    + +
    +
    +
    + + +
    + + + + + + +
    + +

    Module colorizer.parser.argb_hex

    +

    Helper function to parse argb

    +

    + +

    + + +

    Functions

    + + + + + +
    parser.argb_hex_parser (line, i)parse for 0xaarrggbb and return rgb hex.
    + +
    +
    + + +

    Functions

    + +
    +
    + + parser.argb_hex_parser (line, i) +
    +
    + parse for 0xaarrggbb and return rgb hex. + a format used in android apps + + +

    Parameters:

    +
      +
    • line + string: line to parse +
      • +
    • i + number: index of line from where to start parsing +
      • +
    + +

    Returns:

    +
      +
    1. + number|nil: index of line where the hex value ended
      2. +
    2. + string|nil: rgb hex value
      3. +
    + + + + +
    +
    + + +
    +
    +
    +generated by LDoc 1.4.6 +Last updated - February +
    +
    + + diff --git a/doc/modules/colorizer.parser.hsl.html b/doc/modules/colorizer.parser.hsl.html new file mode 100644 index 0000000..b42e253 --- /dev/null +++ b/doc/modules/colorizer.parser.hsl.html @@ -0,0 +1,127 @@ + + + + + colorizer Docs + + + + +
    + +
    + +
    +
    +
    + + +
    + + + + + + +
    + +

    Module colorizer.parser.hsl

    +

    Helper function to parse argb

    +

    + +

    + + +

    Functions

    + + + + + +
    parser.hsl_function_parser (line, i, opts)Parse for hsl() hsla() css function and return rgb hex.
    + +
    +
    + + +

    Functions

    + +
    +
    + + parser.hsl_function_parser (line, i, opts) +
    +
    + Parse for hsl() hsla() css function and return rgb hex. + For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl + + +

    Parameters:

    +
      +
    • line + string: Line to parse +
      • +
    • i + number: Index of line from where to start parsing +
      • +
    • opts + table: Values passed from matchers like prefix +
      • +
    + +

    Returns:

    +
      +
    1. + number|nil: Index of line where the hsla/hsl function ended
      2. +
    2. + string|nil: rgb hex value
      3. +
    + + + + +
    +
    + + +
    +
    +
    +generated by LDoc 1.4.6 +Last updated - February +
    +
    + + diff --git a/doc/modules/colorizer.parser.names.html b/doc/modules/colorizer.parser.names.html new file mode 100644 index 0000000..d826dee --- /dev/null +++ b/doc/modules/colorizer.parser.names.html @@ -0,0 +1,120 @@ + + + + + colorizer Docs + + + + +
    + +
    + +
    +
    +
    + + +
    + + + + + + +
    + +

    Module colorizer.parser.names

    +

    Helper function to parse argb

    +

    + +

    + + +

    Functions

    + + + + + +
    parser.name_parser (line, i, opts)Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table.
    + +
    +
    + + +

    Functions

    + +
    +
    + + parser.name_parser (line, i, opts) +
    +
    + Grab all the colour values from vim.api.nvim_get_color_map and create a lookup table. + COLOR_MAP is used to store the colour values + + +

    Parameters:

    +
      +
    • line + string: Line to parse +
      • +
    • i + number: Index of line from where to start parsing +
      • +
    • opts + table: Currently contains whether tailwind is enabled or not +
      • +
    + + + + + +
    +
    + + +
    +
    +
    +generated by LDoc 1.4.6 +Last updated - February +
    +
    + + diff --git a/doc/modules/colorizer.parser.rgb.html b/doc/modules/colorizer.parser.rgb.html new file mode 100644 index 0000000..0e30612 --- /dev/null +++ b/doc/modules/colorizer.parser.rgb.html @@ -0,0 +1,127 @@ + + + + + colorizer Docs + + + + +
    + +
    + +
    +
    +
    + + +
    + + + + + + +
    + +

    Module colorizer.parser.rgb

    +

    Helper function to parse argb

    +

    + +

    + + +

    Functions

    + + + + + +
    parser.rgb_function_parser (line, i, opts)Parse for rgb() rgba() css function and return rgb hex.
    + +
    +
    + + +

    Functions

    + +
    +
    + + parser.rgb_function_parser (line, i, opts) +
    +
    + Parse for rgb() rgba() css function and return rgb hex. + For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb + + +

    Parameters:

    +
      +
    • line + string: Line to parse +
      • +
    • i + number: Index of line from where to start parsing +
      • +
    • opts + table: Values passed from matchers like prefix +
      • +
    + +

    Returns:

    +
      +
    1. + number|nil: Index of line where the rgb/rgba function ended
      2. +
    2. + string|nil: rgb hex value
      3. +
    + + + + +
    +
    + + +
    +
    +
    +generated by LDoc 1.4.6 +Last updated - February +
    +
    + + diff --git a/doc/modules/colorizer.parser.rgba_hex.html b/doc/modules/colorizer.parser.rgba_hex.html new file mode 100644 index 0000000..3e7187e --- /dev/null +++ b/doc/modules/colorizer.parser.rgba_hex.html @@ -0,0 +1,127 @@ + + + + + colorizer Docs + + + + +
    + +
    + +
    +
    +
    + + +
    + + + + + + +
    + +

    Module colorizer.parser.rgba_hex

    +

    Helper function to parse argb

    +

    + +

    + + +

    Functions

    + + + + + +
    parser.rgba_hex_parser (line, i, opts)parse for #rrggbbaa and return rgb hex.
    + +
    +
    + + +

    Functions

    + +
    +
    + + parser.rgba_hex_parser (line, i, opts) +
    +
    + parse for #rrggbbaa and return rgb hex. + a format used in android apps + + +

    Parameters:

    +
      +
    • line + string: line to parse +
      • +
    • i + number: index of line from where to start parsing +
      • +
    • opts + table: Containing minlen, maxlen, valid_lengths +
      • +
    + +

    Returns:

    +
      +
    1. + number|nil: index of line where the hex value ended
      2. +
    2. + string|nil: rgb hex value
      3. +
    + + + + +
    +
    + + +
    +
    +
    +generated by LDoc 1.4.6 +Last updated - February +
    +
    + + diff --git a/doc/modules/colorizer.sass.html b/doc/modules/colorizer.sass.html index cf0d133..0f93f28 100644 --- a/doc/modules/colorizer.sass.html +++ b/doc/modules/colorizer.sass.html @@ -42,6 +42,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.tailwind.html b/doc/modules/colorizer.tailwind.html index 346a21a..76ea36f 100644 --- a/doc/modules/colorizer.tailwind.html +++ b/doc/modules/colorizer.tailwind.html @@ -42,6 +42,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.trie.html b/doc/modules/colorizer.trie.html index 9071219..ba03d80 100644 --- a/doc/modules/colorizer.trie.html +++ b/doc/modules/colorizer.trie.html @@ -38,6 +38,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/doc/modules/colorizer.utils.html b/doc/modules/colorizer.utils.html index 5ebd197..f9654af 100644 --- a/doc/modules/colorizer.utils.html +++ b/doc/modules/colorizer.utils.html @@ -42,6 +42,11 @@
  • buffer
  • color
  • matcher
    • +
  • parser.argb_hex
    • +
  • parser.hsl
    • +
  • parser.names
    • +
  • parser.rgb
    • +
  • parser.rgba_hex
  • sass
  • tailwind
  • trie
    • diff --git a/lua/colorizer/color.lua b/lua/colorizer/color.lua index 370131b..29af64d 100644 --- a/lua/colorizer/color.lua +++ b/lua/colorizer/color.lua @@ -1,66 +1,7 @@ ----Helper functions to parse different colour formats +---Helper color functions --@module colorizer.color -local api = vim.api - -local bit = require "bit" -local floor, min, max = math.floor, math.min, math.max -local band, rshift, lshift, tohex = bit.band, bit.rshift, bit.lshift, bit.tohex - -local Trie = require "colorizer.trie" - -local utils = require "colorizer.utils" -local byte_is_alphanumeric = utils.byte_is_alphanumeric -local byte_is_hex = utils.byte_is_hex -local byte_is_valid_colorchar = utils.byte_is_valid_colorchar -local count = utils.count -local parse_hex = utils.parse_hex - local color = {} -local ARGB_MINIMUM_LENGTH = #"0xAARRGGBB" - 1 ----parse for 0xaarrggbb and return rgb hex. --- a format used in android apps ----@param line string: line to parse ----@param i number: index of line from where to start parsing ----@return number|nil: index of line where the hex value ended ----@return string|nil: rgb hex value -function color.argb_hex_parser(line, i) - if #line < i + ARGB_MINIMUM_LENGTH then - return - end - - local j = i + 2 - - local n = j + 8 - local alpha - local v = 0 - while j <= min(n, #line) do - local b = line:byte(j) - if not byte_is_hex(b) then - break - end - if j - i <= 3 then - alpha = parse_hex(b) + lshift(alpha or 0, 4) - else - v = parse_hex(b) + lshift(v, 4) - end - j = j + 1 - end - if #line >= j and byte_is_alphanumeric(line:byte(j)) then - return - end - local length = j - i - if length ~= 10 then - return - end - alpha = tonumber(alpha) / 255 - local r = floor(band(rshift(v, 16), 0xFF) * alpha) - local g = floor(band(rshift(v, 8), 0xFF) * alpha) - local b = floor(band(v, 0xFF) * alpha) - local rgb_hex = string.format("%02x%02x%02x", r, g, b) - return length, rgb_hex -end - --- Converts an HSL color value to RGB. ---@param h number: Hue ---@param s number: Saturation @@ -86,107 +27,6 @@ function color.hsl_to_rgb(h, s, l) 255 * color.hue_to_rgb(p, q, h - 1 / 3) end -local CSS_HSLA_FN_MINIMUM_LENGTH = #"hsla(0,0%,0%)" - 1 -local CSS_HSL_FN_MINIMUM_LENGTH = #"hsl(0,0%,0%)" - 1 ----Parse for hsl() hsla() css function and return rgb hex. --- For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl ----@param line string: Line to parse ----@param i number: Index of line from where to start parsing ----@param opts table: Values passed from matchers like prefix ----@return number|nil: Index of line where the hsla/hsl function ended ----@return string|nil: rgb hex value -function color.hsl_function_parser(line, i, opts) - local min_len = CSS_HSLA_FN_MINIMUM_LENGTH - local min_commas, min_spaces = 2, 2 - local pattern = "^" - .. opts.prefix - .. "%(%s*([.%d]+)([deg]*)([turn]*)(%s?)%s*(,?)%s*(%d+)%%(%s?)%s*(,?)%s*(%d+)%%%s*(/?,?)%s*([.%d]*)([%%]?)%s*%)()" - - if opts.prefix == "hsl" then - min_len = CSS_HSL_FN_MINIMUM_LENGTH - end - - if #line < i + min_len then - return - end - - local h, deg, turn, ssep1, csep1, s, ssep2, csep2, l, sep3, a, percent_sign, match_end = line:sub(i):match(pattern) - if not match_end then - return - end - if a == "" then - a = nil - else - min_commas = min_commas + 1 - end - - -- the text after hue should be either deg or empty - if not ((deg == "") or (deg == "deg") or (turn == "turn")) then - return - end - - local c_seps = ("%s%s%s"):format(csep1, csep2, sep3) - local s_seps = ("%s%s"):format(ssep1, ssep2) - -- comma separator syntax - if c_seps:match "," then - if not (count(c_seps, ",") == min_commas) then - return - end - -- space separator syntax with decimal or percentage alpha - elseif count(s_seps, "%s") >= min_spaces then - if a then - if not (c_seps == "/") then - return - end - end - else - return - end - - if not a then - a = 1 - else - a = tonumber(a) - -- if percentage, then convert to decimal - if percent_sign == "%" then - a = a / 100 - end - -- although alpha doesn't support larger values than 1, css anyways renders it at 1 - if a > 1 then - a = 1 - end - end - - h = tonumber(h) or 1 - -- single turn is 360 - if turn == "turn" then - h = 360 * h - end - - -- if hue angle if greater than 360, then calculate the hue within 360 - if h > 360 then - local turns = h / 360 - h = 360 * (turns - floor(turns)) - end - - -- if saturation or luminance percentage is greater than 100 then reset it to 100 - s = tonumber(s) - if s > 100 then - s = 100 - end - l = tonumber(l) - if l > 100 then - l = 100 - end - - local r, g, b = color.hsl_to_rgb(h / 360, s / 100, l / 100) - if r == nil or g == nil or b == nil then - return - end - local rgb_hex = string.format("%02x%02x%02x", r * a, g * a, b * a) - return match_end - 1, rgb_hex -end - ---Convert hsl colour values to rgb. -- Source: https://gist.github.com/mjackson/5311256 ---@param p number @@ -229,236 +69,4 @@ function color.is_bright(r, g, b) end end -local COLOR_MAP -local COLOR_TRIE -local COLOR_NAME_MINLEN, COLOR_NAME_MAXLEN -local COLOR_NAME_SETTINGS = { lowercase = true, strip_digits = false } -local TAILWIND_ENABLED = false ---- Grab all the colour values from `vim.api.nvim_get_color_map` and create a lookup table. --- COLOR_MAP is used to store the colour values ----@param line string: Line to parse ----@param i number: Index of line from where to start parsing ----@param opts table: Currently contains whether tailwind is enabled or not -function color.name_parser(line, i, opts) - --- Setup the COLOR_MAP and COLOR_TRIE - if not COLOR_TRIE or opts.tailwind ~= TAILWIND_ENABLED then - COLOR_MAP = {} - COLOR_TRIE = Trie() - for k, v in pairs(api.nvim_get_color_map()) do - if not (COLOR_NAME_SETTINGS.strip_digits and k:match "%d+$") then - COLOR_NAME_MINLEN = COLOR_NAME_MINLEN and min(#k, COLOR_NAME_MINLEN) or #k - COLOR_NAME_MAXLEN = COLOR_NAME_MAXLEN and max(#k, COLOR_NAME_MAXLEN) or #k - local rgb_hex = tohex(v, 6) - COLOR_MAP[k] = rgb_hex - COLOR_TRIE:insert(k) - if COLOR_NAME_SETTINGS.lowercase then - local lowercase = k:lower() - COLOR_MAP[lowercase] = rgb_hex - COLOR_TRIE:insert(lowercase) - end - end - end - if opts and opts.tailwind then - if opts.tailwind == true or opts.tailwind == "normal" or opts.tailwind == "both" then - local tailwind = require "colorizer.tailwind_colors" - -- setup tailwind colors - for k, v in pairs(tailwind.colors) do - for _, pre in ipairs(tailwind.prefixes) do - local name = pre .. "-" .. k - COLOR_NAME_MINLEN = COLOR_NAME_MINLEN and min(#name, COLOR_NAME_MINLEN) or #name - COLOR_NAME_MAXLEN = COLOR_NAME_MAXLEN and max(#name, COLOR_NAME_MAXLEN) or #name - COLOR_MAP[name] = v - COLOR_TRIE:insert(name) - end - end - end - end - TAILWIND_ENABLED = opts.tailwind - end - - if #line < i + COLOR_NAME_MINLEN - 1 then - return - end - - if i > 1 and byte_is_valid_colorchar(line:byte(i - 1)) then - return - end - - local prefix = COLOR_TRIE:longest_prefix(line, i) - if prefix then - -- Check if there is a letter here so as to disallow matching here. - -- Take the Blue out of Blueberry - -- Line end or non-letter. - local next_byte_index = i + #prefix - if #line >= next_byte_index and byte_is_valid_colorchar(line:byte(next_byte_index)) then - return - end - return #prefix, COLOR_MAP[prefix] - end -end - -local CSS_RGBA_FN_MINIMUM_LENGTH = #"rgba(0,0,0)" - 1 -local CSS_RGB_FN_MINIMUM_LENGTH = #"rgb(0,0,0)" - 1 ----Parse for rgb() rgba() css function and return rgb hex. --- For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb ----@param line string: Line to parse ----@param i number: Index of line from where to start parsing ----@param opts table: Values passed from matchers like prefix ----@return number|nil: Index of line where the rgb/rgba function ended ----@return string|nil: rgb hex value -function color.rgb_function_parser(line, i, opts) - local min_len = CSS_RGBA_FN_MINIMUM_LENGTH - local min_commas, min_spaces, min_percent = 2, 2, 3 - local pattern = "^" - .. opts.prefix - .. "%(%s*([.%d]+)([%%]?)(%s?)%s*(,?)%s*([.%d]+)([%%]?)(%s?)%s*(,?)%s*([.%d]+)([%%]?)%s*(/?,?)%s*([.%d]*)([%%]?)%s*%)()" - - if opts.prefix == "rgb" then - min_len = CSS_RGB_FN_MINIMUM_LENGTH - end - - if #line < i + min_len then - return - end - - local r, unit1, ssep1, csep1, g, unit2, ssep2, csep2, b, unit3, sep3, a, unit_a, match_end = - line:sub(i):match(pattern) - if not match_end then - return - end - - if a == "" then - a = nil - else - min_commas = min_commas + 1 - end - - local units = ("%s%s%s"):format(unit1, unit2, unit3) - if units:match "%%" then - if not ((count(units, "%%")) == min_percent) then - return - end - end - - local c_seps = ("%s%s%s"):format(csep1, csep2, sep3) - local s_seps = ("%s%s"):format(ssep1, ssep2) - -- comma separator syntax - if c_seps:match "," then - if not (count(c_seps, ",") == min_commas) then - return - end - -- space separator syntax with decimal or percentage alpha - elseif count(s_seps, "%s") >= min_spaces then - if a then - if not (c_seps == "/") then - return - end - end - else - return - end - - if not a then - a = 1 - else - a = tonumber(a) - -- if percentage, then convert to decimal - if unit_a == "%" then - a = a / 100 - end - -- although alpha doesn't support larger values than 1, css anyways renders it at 1 - if a > 1 then - a = 1 - end - end - - r = tonumber(r) - if not r then - return - end - g = tonumber(g) - if not g then - return - end - b = tonumber(b) - if not b then - return - end - - if unit1 == "%" then - r = r / 100 * 255 - g = g / 100 * 255 - b = b / 100 * 255 - else - -- although r,g,b doesn't support larger values than 255, css anyways renders it at 255 - if r > 255 then - r = 255 - end - if g > 255 then - g = 255 - end - if b > 255 then - b = 255 - end - end - - local rgb_hex = string.format("%02x%02x%02x", r * a, g * a, b * a) - return match_end - 1, rgb_hex -end - ----parse for #rrggbbaa and return rgb hex. --- a format used in android apps ----@param line string: line to parse ----@param i number: index of line from where to start parsing ----@param opts table: Containing minlen, maxlen, valid_lengths ----@return number|nil: index of line where the hex value ended ----@return string|nil: rgb hex value -function color.rgba_hex_parser(line, i, opts) - local minlen, maxlen, valid_lengths = opts.minlen, opts.maxlen, opts.valid_lengths - local j = i + 1 - if #line < j + minlen - 1 then - return - end - - if i > 1 and byte_is_alphanumeric(line:byte(i - 1)) then - return - end - - local n = j + maxlen - local alpha - local v = 0 - - while j <= min(n, #line) do - local b = line:byte(j) - if not byte_is_hex(b) then - break - end - if j - i >= 7 then - alpha = parse_hex(b) + lshift(alpha or 0, 4) - else - v = parse_hex(b) + lshift(v, 4) - end - j = j + 1 - end - - if #line >= j and byte_is_alphanumeric(line:byte(j)) then - return - end - - local length = j - i - if length ~= 4 and length ~= 7 and length ~= 9 then - return - end - - if alpha then - alpha = tonumber(alpha) / 255 - local r = floor(band(rshift(v, 16), 0xFF) * alpha) - local g = floor(band(rshift(v, 8), 0xFF) * alpha) - local b = floor(band(v, 0xFF) * alpha) - local rgb_hex = string.format("%02x%02x%02x", r, g, b) - return 9, rgb_hex - end - return (valid_lengths[length - 1] and length), line:sub(i + 1, i + length - 1) -end - return color diff --git a/lua/colorizer/matcher.lua b/lua/colorizer/matcher.lua index ccd72a2..1f3eede 100644 --- a/lua/colorizer/matcher.lua +++ b/lua/colorizer/matcher.lua @@ -3,21 +3,24 @@ local Trie = require "colorizer.trie" local min, max = math.min, math.max -local color = require "colorizer.color" -local color_name_parser = color.name_parser -local rgba_hex_parser = color.rgba_hex_parser +local color_name_parser = require "colorizer.parser.names" -local sass = require "colorizer.sass" -local sass_name_parser = sass.name_parser +local rgb_function_parser = require "colorizer.parser.rgb" +local hsl_function_parser = require "colorizer.parser.hsl" + +local argb_hex_parser = require "colorizer.parser.argb_hex" +local rgba_hex_parser = require "colorizer.parser.rgba_hex" + +local sass_name_parser = require("colorizer.sass").name_parser local B_HASH, DOLLAR_HASH = ("#"):byte(), ("$"):byte() local parser = { - ["_0x"] = color.argb_hex_parser, - ["_rgb"] = color.rgb_function_parser, - ["_rgba"] = color.rgb_function_parser, - ["_hsl"] = color.hsl_function_parser, - ["_hsla"] = color.hsl_function_parser, + ["_0x"] = argb_hex_parser, + ["_rgb"] = rgb_function_parser, + ["_rgba"] = rgb_function_parser, + ["_hsl"] = hsl_function_parser, + ["_hsla"] = hsl_function_parser, } local matcher = {} diff --git a/lua/colorizer/parser/argb_hex.lua b/lua/colorizer/parser/argb_hex.lua new file mode 100644 index 0000000..f664dc3 --- /dev/null +++ b/lua/colorizer/parser/argb_hex.lua @@ -0,0 +1,58 @@ +---Helper function to parse argb + +local bit = require "bit" +local floor, min = math.floor, math.min +local band, rshift, lshift = bit.band, bit.rshift, bit.lshift + +local utils = require "colorizer.utils" +local byte_is_alphanumeric = utils.byte_is_alphanumeric +local byte_is_hex = utils.byte_is_hex +local parse_hex = utils.parse_hex + +local parser = {} + +local ARGB_MINIMUM_LENGTH = #"0xAARRGGBB" - 1 +---parse for 0xaarrggbb and return rgb hex. +-- a format used in android apps +---@param line string: line to parse +---@param i number: index of line from where to start parsing +---@return number|nil: index of line where the hex value ended +---@return string|nil: rgb hex value +function parser.argb_hex_parser(line, i) + if #line < i + ARGB_MINIMUM_LENGTH then + return + end + + local j = i + 2 + + local n = j + 8 + local alpha + local v = 0 + while j <= min(n, #line) do + local b = line:byte(j) + if not byte_is_hex(b) then + break + end + if j - i <= 3 then + alpha = parse_hex(b) + lshift(alpha or 0, 4) + else + v = parse_hex(b) + lshift(v, 4) + end + j = j + 1 + end + if #line >= j and byte_is_alphanumeric(line:byte(j)) then + return + end + local length = j - i + if length ~= 10 then + return + end + alpha = tonumber(alpha) / 255 + local r = floor(band(rshift(v, 16), 0xFF) * alpha) + local g = floor(band(rshift(v, 8), 0xFF) * alpha) + local b = floor(band(v, 0xFF) * alpha) + local rgb_hex = string.format("%02x%02x%02x", r, g, b) + return length, rgb_hex +end + +return parser.argb_hex_parser diff --git a/lua/colorizer/parser/hsl.lua b/lua/colorizer/parser/hsl.lua new file mode 100644 index 0000000..cb6a19d --- /dev/null +++ b/lua/colorizer/parser/hsl.lua @@ -0,0 +1,110 @@ +---Helper function to parse argb +local count = require("colorizer.utils").count +local floor = math.floor + +local hsl_to_rgb = require("colorizer.color").hsl_to_rgb + +local parser = {} + +local CSS_HSLA_FN_MINIMUM_LENGTH = #"hsla(0,0%,0%)" - 1 +local CSS_HSL_FN_MINIMUM_LENGTH = #"hsl(0,0%,0%)" - 1 +---Parse for hsl() hsla() css function and return rgb hex. +-- For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl +---@param line string: Line to parse +---@param i number: Index of line from where to start parsing +---@param opts table: Values passed from matchers like prefix +---@return number|nil: Index of line where the hsla/hsl function ended +---@return string|nil: rgb hex value +function parser.hsl_function_parser(line, i, opts) + local min_len = CSS_HSLA_FN_MINIMUM_LENGTH + local min_commas, min_spaces = 2, 2 + local pattern = "^" + .. opts.prefix + .. "%(%s*([.%d]+)([deg]*)([turn]*)(%s?)%s*(,?)%s*(%d+)%%(%s?)%s*(,?)%s*(%d+)%%%s*(/?,?)%s*([.%d]*)([%%]?)%s*%)()" + + if opts.prefix == "hsl" then + min_len = CSS_HSL_FN_MINIMUM_LENGTH + end + + if #line < i + min_len then + return + end + + local h, deg, turn, ssep1, csep1, s, ssep2, csep2, l, sep3, a, percent_sign, match_end = line:sub(i):match(pattern) + if not match_end then + return + end + if a == "" then + a = nil + else + min_commas = min_commas + 1 + end + + -- the text after hue should be either deg or empty + if not ((deg == "") or (deg == "deg") or (turn == "turn")) then + return + end + + local c_seps = ("%s%s%s"):format(csep1, csep2, sep3) + local s_seps = ("%s%s"):format(ssep1, ssep2) + -- comma separator syntax + if c_seps:match "," then + if not (count(c_seps, ",") == min_commas) then + return + end + -- space separator syntax with decimal or percentage alpha + elseif count(s_seps, "%s") >= min_spaces then + if a then + if not (c_seps == "/") then + return + end + end + else + return + end + + if not a then + a = 1 + else + a = tonumber(a) + -- if percentage, then convert to decimal + if percent_sign == "%" then + a = a / 100 + end + -- although alpha doesn't support larger values than 1, css anyways renders it at 1 + if a > 1 then + a = 1 + end + end + + h = tonumber(h) or 1 + -- single turn is 360 + if turn == "turn" then + h = 360 * h + end + + -- if hue angle if greater than 360, then calculate the hue within 360 + if h > 360 then + local turns = h / 360 + h = 360 * (turns - floor(turns)) + end + + -- if saturation or luminance percentage is greater than 100 then reset it to 100 + s = tonumber(s) + if s > 100 then + s = 100 + end + l = tonumber(l) + if l > 100 then + l = 100 + end + + local r, g, b = hsl_to_rgb(h / 360, s / 100, l / 100) + if r == nil or g == nil or b == nil then + return + end + local rgb_hex = string.format("%02x%02x%02x", r * a, g * a, b * a) + return match_end - 1, rgb_hex +end + +return parser.hsl_function_parser diff --git a/lua/colorizer/parser/names.lua b/lua/colorizer/parser/names.lua new file mode 100644 index 0000000..6fc7043 --- /dev/null +++ b/lua/colorizer/parser/names.lua @@ -0,0 +1,84 @@ +---Helper function to parse argb +local api = vim.api + +local bit = require "bit" +local tohex = bit.tohex + +local min, max = math.min, math.max + +local Trie = require "colorizer.trie" + +local utils = require "colorizer.utils" +local byte_is_valid_colorchar = utils.byte_is_valid_colorchar + +local parser = {} + +local COLOR_MAP +local COLOR_TRIE +local COLOR_NAME_MINLEN, COLOR_NAME_MAXLEN +local COLOR_NAME_SETTINGS = { lowercase = true, strip_digits = false } +local TAILWIND_ENABLED = false +--- Grab all the colour values from `vim.api.nvim_get_color_map` and create a lookup table. +-- COLOR_MAP is used to store the colour values +---@param line string: Line to parse +---@param i number: Index of line from where to start parsing +---@param opts table: Currently contains whether tailwind is enabled or not +function parser.name_parser(line, i, opts) + --- Setup the COLOR_MAP and COLOR_TRIE + if not COLOR_TRIE or opts.tailwind ~= TAILWIND_ENABLED then + COLOR_MAP = {} + COLOR_TRIE = Trie() + for k, v in pairs(api.nvim_get_color_map()) do + if not (COLOR_NAME_SETTINGS.strip_digits and k:match "%d+$") then + COLOR_NAME_MINLEN = COLOR_NAME_MINLEN and min(#k, COLOR_NAME_MINLEN) or #k + COLOR_NAME_MAXLEN = COLOR_NAME_MAXLEN and max(#k, COLOR_NAME_MAXLEN) or #k + local rgb_hex = tohex(v, 6) + COLOR_MAP[k] = rgb_hex + COLOR_TRIE:insert(k) + if COLOR_NAME_SETTINGS.lowercase then + local lowercase = k:lower() + COLOR_MAP[lowercase] = rgb_hex + COLOR_TRIE:insert(lowercase) + end + end + end + if opts and opts.tailwind then + if opts.tailwind == true or opts.tailwind == "normal" or opts.tailwind == "both" then + local tailwind = require "colorizer.tailwind_colors" + -- setup tailwind colors + for k, v in pairs(tailwind.colors) do + for _, pre in ipairs(tailwind.prefixes) do + local name = pre .. "-" .. k + COLOR_NAME_MINLEN = COLOR_NAME_MINLEN and min(#name, COLOR_NAME_MINLEN) or #name + COLOR_NAME_MAXLEN = COLOR_NAME_MAXLEN and max(#name, COLOR_NAME_MAXLEN) or #name + COLOR_MAP[name] = v + COLOR_TRIE:insert(name) + end + end + end + end + TAILWIND_ENABLED = opts.tailwind + end + + if #line < i + COLOR_NAME_MINLEN - 1 then + return + end + + if i > 1 and byte_is_valid_colorchar(line:byte(i - 1)) then + return + end + + local prefix = COLOR_TRIE:longest_prefix(line, i) + if prefix then + -- Check if there is a letter here so as to disallow matching here. + -- Take the Blue out of Blueberry + -- Line end or non-letter. + local next_byte_index = i + #prefix + if #line >= next_byte_index and byte_is_valid_colorchar(line:byte(next_byte_index)) then + return + end + return #prefix, COLOR_MAP[prefix] + end +end + +return parser.name_parser diff --git a/lua/colorizer/parser/rgb.lua b/lua/colorizer/parser/rgb.lua new file mode 100644 index 0000000..2786a60 --- /dev/null +++ b/lua/colorizer/parser/rgb.lua @@ -0,0 +1,114 @@ +---Helper function to parse argb +local count = require("colorizer.utils").count + +local parser = {} +local CSS_RGBA_FN_MINIMUM_LENGTH = #"rgba(0,0,0)" - 1 +local CSS_RGB_FN_MINIMUM_LENGTH = #"rgb(0,0,0)" - 1 +---Parse for rgb() rgba() css function and return rgb hex. +-- For more info: https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb +---@param line string: Line to parse +---@param i number: Index of line from where to start parsing +---@param opts table: Values passed from matchers like prefix +---@return number|nil: Index of line where the rgb/rgba function ended +---@return string|nil: rgb hex value +function parser.rgb_function_parser(line, i, opts) + local min_len = CSS_RGBA_FN_MINIMUM_LENGTH + local min_commas, min_spaces, min_percent = 2, 2, 3 + local pattern = "^" + .. opts.prefix + .. "%(%s*([.%d]+)([%%]?)(%s?)%s*(,?)%s*([.%d]+)([%%]?)(%s?)%s*(,?)%s*([.%d]+)([%%]?)%s*(/?,?)%s*([.%d]*)([%%]?)%s*%)()" + + if opts.prefix == "rgb" then + min_len = CSS_RGB_FN_MINIMUM_LENGTH + end + + if #line < i + min_len then + return + end + + local r, unit1, ssep1, csep1, g, unit2, ssep2, csep2, b, unit3, sep3, a, unit_a, match_end = + line:sub(i):match(pattern) + if not match_end then + return + end + + if a == "" then + a = nil + else + min_commas = min_commas + 1 + end + + local units = ("%s%s%s"):format(unit1, unit2, unit3) + if units:match "%%" then + if not ((count(units, "%%")) == min_percent) then + return + end + end + + local c_seps = ("%s%s%s"):format(csep1, csep2, sep3) + local s_seps = ("%s%s"):format(ssep1, ssep2) + -- comma separator syntax + if c_seps:match "," then + if not (count(c_seps, ",") == min_commas) then + return + end + -- space separator syntax with decimal or percentage alpha + elseif count(s_seps, "%s") >= min_spaces then + if a then + if not (c_seps == "/") then + return + end + end + else + return + end + + if not a then + a = 1 + else + a = tonumber(a) + -- if percentage, then convert to decimal + if unit_a == "%" then + a = a / 100 + end + -- although alpha doesn't support larger values than 1, css anyways renders it at 1 + if a > 1 then + a = 1 + end + end + + r = tonumber(r) + if not r then + return + end + g = tonumber(g) + if not g then + return + end + b = tonumber(b) + if not b then + return + end + + if unit1 == "%" then + r = r / 100 * 255 + g = g / 100 * 255 + b = b / 100 * 255 + else + -- although r,g,b doesn't support larger values than 255, css anyways renders it at 255 + if r > 255 then + r = 255 + end + if g > 255 then + g = 255 + end + if b > 255 then + b = 255 + end + end + + local rgb_hex = string.format("%02x%02x%02x", r * a, g * a, b * a) + return match_end - 1, rgb_hex +end + +return parser.rgb_function_parser diff --git a/lua/colorizer/parser/rgba_hex.lua b/lua/colorizer/parser/rgba_hex.lua new file mode 100644 index 0000000..0f16fbe --- /dev/null +++ b/lua/colorizer/parser/rgba_hex.lua @@ -0,0 +1,68 @@ +---Helper function to parse argb +local bit = require "bit" +local floor, min = math.floor, math.min +local band, rshift, lshift = bit.band, bit.rshift, bit.lshift + +local utils = require "colorizer.utils" +local byte_is_alphanumeric = utils.byte_is_alphanumeric +local byte_is_hex = utils.byte_is_hex +local parse_hex = utils.parse_hex + +local parser = {} + +---parse for #rrggbbaa and return rgb hex. +-- a format used in android apps +---@param line string: line to parse +---@param i number: index of line from where to start parsing +---@param opts table: Containing minlen, maxlen, valid_lengths +---@return number|nil: index of line where the hex value ended +---@return string|nil: rgb hex value +function parser.rgba_hex_parser(line, i, opts) + local minlen, maxlen, valid_lengths = opts.minlen, opts.maxlen, opts.valid_lengths + local j = i + 1 + if #line < j + minlen - 1 then + return + end + + if i > 1 and byte_is_alphanumeric(line:byte(i - 1)) then + return + end + + local n = j + maxlen + local alpha + local v = 0 + + while j <= min(n, #line) do + local b = line:byte(j) + if not byte_is_hex(b) then + break + end + if j - i >= 7 then + alpha = parse_hex(b) + lshift(alpha or 0, 4) + else + v = parse_hex(b) + lshift(v, 4) + end + j = j + 1 + end + + if #line >= j and byte_is_alphanumeric(line:byte(j)) then + return + end + + local length = j - i + if length ~= 4 and length ~= 7 and length ~= 9 then + return + end + + if alpha then + alpha = tonumber(alpha) / 255 + local r = floor(band(rshift(v, 16), 0xFF) * alpha) + local g = floor(band(rshift(v, 8), 0xFF) * alpha) + local b = floor(band(v, 0xFF) * alpha) + local rgb_hex = string.format("%02x%02x%02x", r, g, b) + return 9, rgb_hex + end + return (valid_lengths[length - 1] and length), line:sub(i + 1, i + length - 1) +end + +return parser.rgba_hex_parser -- cgit v1.2.3-70-g09d2