Class: MathML::LaTeX::Parser

Inherits:
Object
  • Object
show all
Includes:
MathML::LaTeX, BuiltinCommands, BuiltinEnvironments, BuiltinGroups
Defined in:
lib/math_ml/latex.rb

Defined Under Namespace

Classes: CircularReferenceCommand

Constant Summary collapse

BUILTIN_MACRO = 
<<~'EOS'
  \newenvironment{smallmatrix}{\begin{matrix}}{\end{matrix}}
  \newenvironment{pmatrix}{\left(\begin{matrix}}{\end{matrix}\right)}
  \newenvironment{bmatrix}{\left[\begin{matrix}}{\end{matrix}\right]}
  \newenvironment{Bmatrix}{\left\{\begin{matrix}}{\end{matrix}\right\}}
  \newenvironment{vmatrix}{\left|\begin{matrix}}{\end{matrix}\right|}
  \newenvironment{Vmatrix}{\left\|\begin{matrix}}{\end{matrix}\right\|}
EOS

Constants included from BuiltinCommands

BuiltinCommands::OVERS, BuiltinCommands::UNDERS

Constants included from MathML::LaTeX

MBEC

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from BuiltinCommands

#cmd_backslash, #cmd_entity, #cmd_frac, #cmd_hat_etc, #cmd_it_etc, #cmd_mathit_etc, #cmd_mbox, #cmd_quad_etc, #cmd_sqrt, #cmd_stackrel, #cmd_underbrace_etc

Methods included from BuiltinGroups

#add_environment, #grp_begin, #grp_left_etc

Methods included from BuiltinEnvironments

#env_array, #env_array_row, #env_matrix, #env_matrix_row

Constructor Details

#initialize(opt = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/math_ml/latex.rb', line 375

def initialize(opt = {})
  @unsecure_entity = false
  @entities = {}
  @commands = {}
  @symbols = {}
  @delimiters = []
  @group_begins = {}
  @group_ends = {}
  @macro = Macro.new
  @macro.parse(BUILTIN_MACRO)
  @expanded_command = []
  @expanded_environment = []
  @symbol_table = opt[:symbol] || MathML::Symbol::Default
  @symbol_table = MathML::Symbol::MAP[@symbol_table] if @symbol_table.is_a?(::Symbol)

  super()
end

Instance Attribute Details

#macro ⇒ Object (readonly)

Returns the value of attribute macro.



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# File 'lib/math_ml/latex.rb', line 373

def macro
  @macro
end

#symbol_table ⇒ Object (readonly)

Returns the value of attribute symbol_table.



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# File 'lib/math_ml/latex.rb', line 373

def symbol_table
  @symbol_table
end

#unsecure_entity ⇒ Object

Returns the value of attribute unsecure_entity.



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# File 'lib/math_ml/latex.rb', line 372

def unsecure_entity
  @unsecure_entity
end

Instance Method Details

#add_commands(*a) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 426

def add_commands(*a)
  if a.size == 1 && a[0].is_a?(Hash)
    @commands.merge!(a[0])
  else
    a.each { |i| @commands[i] = false }
  end
end

#add_delimiter(list) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 442

def add_delimiter(list)
  @delimiters.concat(list)
end

#add_entity(list) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 393

def add_entity(list)
  list.each do |i|
    @entities[i] = true
  end
end

#add_group(begin_name, end_name, method = nil) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 446

def add_group(begin_name, end_name, method = nil)
  @group_begins[begin_name] = method
  @group_ends[end_name] = begin_name
end

#add_multi_command(m, *a) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 434

def add_multi_command(m, *a)
  a.each { |i| @commands[i] = m }
end

#add_plugin(plugin) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 422

def add_plugin(plugin)
  extend(plugin)
end

#add_sym_cmd(hash) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 438

def add_sym_cmd(hash)
  @symbols.merge!(hash)
end

#parse(src, displaystyle = false) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 399

def parse(src, displaystyle = false)
  @ds = displaystyle
  begin
    parse_into(src, Math.new(@ds), Font::NORMAL)
  rescue ParseError => e
    e.done = src[0...(src.size - e.rest.size)]
    raise
  end
end

#push_container(container, scanner = @scanner, font = @font) ⇒ Object 



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# File 'lib/math_ml/latex.rb', line 409

def push_container(container, scanner = @scanner, font = @font)
  data = [@container, @scanner, @font]
  @container = container
  @scanner = scanner
  @font = font
  begin
    yield container
    container
  ensure
    @container, @scanner, @font = data
  end
end