fixed dependencies

vendor/github.com/go-latex/latex/mtex/symbols/set.go

@@ -0,0 +1,43 @@
+// Copyright ©2020 The go-latex Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package symbols
+
+import (
+	"sort"
+)
+
+type Set map[string]struct{}
+
+func NewSet(vs ...string) Set {
+	o := make(Set, len(vs))
+	for _, k := range vs {
+		o[k] = struct{}{}
+	}
+	return o
+}
+
+func (set Set) Has(k string) bool {
+	_, ok := set[k]
+	return ok
+}
+
+func (set Set) Keys() []string {
+	keys := make([]string, 0, len(set))
+	for k := range set {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+func UnionOf(sets ...Set) Set {
+	o := make(Set, len(sets))
+	for _, set := range sets {
+		for k := range set {
+			o[k] = struct{}{}
+		}
+	}
+	return o
+}

vendor/github.com/go-latex/latex/mtex/symbols/symbols.go

@@ -0,0 +1,16 @@
+// Copyright ©2020 The go-latex Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package symbols contains logic about TeX symbols.
+package symbols // import "github.com/go-latex/latex/mtex/symbols"
+
+//go:generate go run ./gen-symbols.go
+
+var (
+	SpacedSymbols = UnionOf(BinaryOperators, RelationSymbols, ArrowSymbols)
+)
+
+func IsSpaced(s string) bool {
+	return SpacedSymbols.Has(s)
+}

vendor/github.com/go-latex/latex/mtex/symbols/symbols_gen.go

@@ -0,0 +1,254 @@
+// Autogenerated. DO NOT EDIT.
+
+package symbols
+
+var (
+	AmbiDelim = NewSet(
+		"\\downarrow",
+		"\\Uparrow",
+		"\\|",
+		"\\updownarrow",
+		"\\vert",
+		"\\Vert",
+		"\\backslash",
+		".",
+		"\\Updownarrow",
+		"/",
+		"\\Downarrow",
+		"|",
+		"\\\\|",
+		"\\uparrow",
+	)
+
+	ArrowSymbols = NewSet(
+		"\\Uparrow",
+		"\\searrow",
+		"\\hookleftarrow",
+		"\\longleftrightarrow",
+		"\\longrightarrow",
+		"\\rightarrow",
+		"\\leadsto",
+		"\\nearrow",
+		"\\Updownarrow",
+		"\\rightharpoonup",
+		"\\Longrightarrow",
+		"\\leftrightarrow",
+		"\\downarrow",
+		"\\nwarrow",
+		"\\leftarrow",
+		"\\leftharpoondown",
+		"\\swarrow",
+		"\\Longleftarrow",
+		"\\Leftarrow",
+		"\\Longleftrightarrow",
+		"\\uparrow",
+		"\\hookrightarrow",
+		"\\rightleftharpoons",
+		"\\mapsto",
+		"\\Leftrightarrow",
+		"\\leftharpoonup",
+		"\\rightharpoondown",
+		"\\updownarrow",
+		"\\Rightarrow",
+		"\\longleftarrow",
+		"\\Downarrow",
+		"\\longmapsto",
+	)
+
+	BinaryOperators = NewSet(
+		"\\triangleleft",
+		"\\cup",
+		"+",
+		"\\oplus",
+		"*",
+		"\\bullet",
+		"\\star",
+		"\\diamond",
+		"\\div",
+		"\\bigtriangledown",
+		"\\unrhd",
+		"\\wr",
+		"\\bigtriangleup",
+		"\\sqcup",
+		"\\vee",
+		"\\sqcap",
+		"\\dagger",
+		"\\cdot",
+		"\\unlhd",
+		"\\triangleright",
+		"\\ddagger",
+		"\\amalg",
+		"\\circ",
+		"\\odot",
+		"\\cap",
+		"\\bigcirc",
+		"\\lhd",
+		"\\times",
+		"-",
+		"\\wedge",
+		"\\mp",
+		"\\otimes",
+		"\\ominus",
+		"\\ast",
+		"\\pm",
+		"\\oslash",
+		"\\rhd",
+		"\\setminus",
+		"\\uplus",
+	)
+
+	DropSubSymbols = NewSet(
+		"\\oint",
+		"\\int",
+	)
+
+	FontNames = NewSet(
+		"circled",
+		"default",
+		"cal",
+		"bf",
+		"regular",
+		"tt",
+		"scr",
+		"sf",
+		"frak",
+		"rm",
+		"it",
+		"bb",
+	)
+
+	FunctionNames = NewSet(
+		"lim",
+		"arccos",
+		"min",
+		"arcsin",
+		"gcd",
+		"arctan",
+		"sup",
+		"sec",
+		"max",
+		"cos",
+		"deg",
+		"arg",
+		"sin",
+		"log",
+		"sinh",
+		"ker",
+		"liminf",
+		"coth",
+		"exp",
+		"det",
+		"ln",
+		"lg",
+		"Pr",
+		"tan",
+		"tanh",
+		"csc",
+		"hom",
+		"cosh",
+		"cot",
+		"dim",
+		"limsup",
+		"inf",
+	)
+
+	LeftDelim = NewSet(
+		"\\lfloor",
+		"<",
+		"\\{",
+		"\\langle",
+		"[",
+		"(",
+		"\\lceil",
+	)
+
+	OverUnderFunctions = NewSet(
+		"sup",
+		"max",
+		"lim",
+		"limsup",
+		"min",
+		"liminf",
+	)
+
+	OverUnderSymbols = NewSet(
+		"\\biguplus",
+		"\\bigoplus",
+		"\\prod",
+		"\\bigcap",
+		"\\bigsqcup",
+		"\\bigodot",
+		"\\bigvee",
+		"\\bigwedge",
+		"\\sum",
+		"\\bigcup",
+		"\\coprod",
+		"\\bigotimes",
+	)
+
+	PunctuationSymbols = NewSet(
+		"!",
+		";",
+		"\\cdotp",
+		",",
+		".",
+		"\\ldotp",
+	)
+
+	RelationSymbols = NewSet(
+		"\\ni",
+		"\\leq",
+		"\\ll",
+		"\\supseteq",
+		"\\succ",
+		"=",
+		"\\neq",
+		"\\parallel",
+		"\\geq",
+		"\\prec",
+		"\\frown",
+		"\\in",
+		"\\Join",
+		"\\sqsubset",
+		"\\dashv",
+		"\\vdash",
+		"\\dots",
+		"\\asymp",
+		"\\subset",
+		"\\subseteq",
+		"\\sqsupseteq",
+		"<",
+		"\\models",
+		"\\bowtie",
+		"\\equiv",
+		":",
+		"\\sqsupset",
+		"\\smile",
+		"\\propto",
+		"\\dotplus",
+		"\\preceq",
+		"\\cong",
+		"\\simeq",
+		">",
+		"\\mid",
+		"\\approx",
+		"\\supset",
+		"\\gg",
+		"\\doteq",
+		"\\sqsubseteq",
+		"\\doteqdot",
+		"\\succeq",
+		"\\perp",
+		"\\sim",
+	)
+
+	RightDelim = NewSet(
+		"\\rceil",
+		"]",
+		"\\rangle",
+		">",
+		"\\}",
+		"\\rfloor",
+		")",
+	)
+)