vim/UltiSnips/tex.snippets

global !p

texMathZones = ['texMathZone' + x for x in ['A', 'AS', 'B', 'BS', 'C', 'CS', 'D', 'DS', 'E', 'ES', 'F', 'FS', 'G', 'GS', 'H', 'HS', 'I', 'IS', 'J', 'JS', 'K', 'KS', 'L', 'LS', 'DS', 'V', 'W', 'X', 'Y', 'Z', 'AmsA', 'AmsB', 'AmsC', 'AmsD', 'AmsE', 'AmsF', 'AmsG', 'AmsAS', 'AmsBS', 'AmsCS', 'AmsDS', 'AmsES', 'AmsFS', 'AmsGS' ]]

texIgnoreMathZones = ['texMathText']

texMathZoneIds = vim.eval('map('+str(texMathZones)+", 'hlID(v:val)')")

texIgnoreMathZoneIds = vim.eval('map('+str(texIgnoreMathZones)+", 'hlID(v:val)')")

ignore = texIgnoreMathZoneIds[0]

def math():
	synstackids = vim.eval("synstack(line('.'), col('.') - (col('.')>=2 ? 1 : 0))")
	try:
		first = next(i for i in reversed(synstackids) if i in texIgnoreMathZoneIds or i in texMathZoneIds)
		return first != ignore
	except StopIteration:
		return False

def create_table(snip):
	rows = snip.buffer[snip.line].split('x')[0]
	cols = snip.buffer[snip.line].split('x')[1]

	int_val = lambda string: int(''.join(s for s in string if s.isdigit()))
	
	rows = int_val(rows)
	cols = int_val(cols)

	offset = cols + 1
	old_spacing = snip.buffer[snip.line][:snip.buffer[snip.line].rfind('\t') + 1]
	
	snip.buffer[snip.line] = ''
	
	final_str = old_spacing + "\\begin{tabular}{|" + "|".join(['$' + str(i + 1) for i in range(cols)]) + "|}\n"

	for i in range(rows):
		final_str += old_spacing + '\t'
		final_str += " & ".join(['$' + str(i * cols + j + offset) for j in range(cols)])

		final_str += " \\\\\\\n"

	final_str += old_spacing + "\\end{tabular}\n$0"

	snip.expand_anon(final_str)

def add_row(snip):
	row_len = int(''.join(s for s in snip.buffer[snip.line] if s.isdigit()))
	old_spacing = snip.buffer[snip.line][:snip.buffer[snip.line].rfind('\t') + 1]

	snip.buffer[snip.line] = ''
	
	final_str = old_spacing
	final_str += " & ".join(['$' + str(j + 1) for j in range(row_len)])
	final_str += " \\\\\\"

	snip.expand_anon(final_str)

endglobal

snippet article "article template" b
\documentclass[12pt]{article}

\usepackage{geometry} % Required for adjusting page dimensions
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{longtable}
\usepackage{booktabs}
\usepackage[UKenglish]{babel}
\geometry{
	paper=a4paper, % Change to letterpaper for US letter
	top=3cm, % Top margin
	bottom=1.5cm, % Bottom margin
	left=4.5cm, % Left margin
	right=4.5cm, % Right margin
	%showframe, % Uncomment to show how the type block is set on the page
}

\title{$1}
\author{Jonathan Hodgson}
\date{\today}


\begin{document}
\maketitle


\section{$2}
$0


\end{document}
endsnippet

snippet standalone "standalone template" b
\documentclass[tikz]{standalone}
\begin{document}

\begin{tikzpicture}
	$0
\end{tikzpicture}

\end{document}
endsnippet


snippet "b(egin)?" "begin{} / end{}" br
\begin{${1:something}}
	${0:${VISUAL}}
\end{$1}
endsnippet


snippet frame "frame environment" b
\begin{frame}
	\frametitle{${1:title}}
	${0:${VISUAL}}
	\note{%
	}
\end{frame}
endsnippet

snippet abs "abstract environment" b
\begin{abstract}
	$0
\end{abstract}
endsnippet

snippet tab "tabular / array environment" b
\begin{${1:t}${1/(t)$|(a)$|(.*)/(?1:abular)(?2:rray)/}}{${2:c}}
$0${2/(?<=.)(c|l|r)|./(?1: & )/g}
\end{$1${1/(t)$|(a)$|(.*)/(?1:abular)(?2:rray)/}}
endsnippet

pre_expand "create_table(snip)"
snippet "gentbl(\d+)x(\d+)" "Generate table of *width* by *height*" r  
endsnippet

pre_expand "add_row(snip)"
snippet "tr(\d+)" "Add table row of dimension ..." r
endsnippet

snippet table "Table environment" b
\begin{table}[${1:htpb}]
	\centering
	\caption{${2:caption}}
	\label{tab:${3:label}}
	\begin{${4:t}${4/(t)$|(a)$|(.*)/(?1:abular)(?2:rray)/}}{${5:c}}
	$0${5/(?<=.)(c|l|r)|./(?1: & )/g}
	\end{$4${4/(t)$|(a)$|(.*)/(?1:abular)(?2:rray)/}}
\end{table}
endsnippet

snippet fig "Figure environment" b
\begin{figure}[${2:htpb}]
	\centering
	\includegraphics[width=${3:0.8}\linewidth]{${4:name.ext}}
	\caption{${4/(\w+)\.\w+/\u$1/}$0}%
	\label{fig:${4/(\w+)\.\w+/$1/}}
\end{figure}
endsnippet

snippet enum "Enumerate" b
\begin{enumerate}
	\item $0
\end{enumerate}
endsnippet

snippet item "Itemize" b
\begin{itemize}
	\item $0
\end{itemize}
endsnippet

snippet desc "Description" b
\begin{description}
	\item[$1] $0
\end{description}
endsnippet

snippet it "Individual item" b
\item $0
endsnippet

snippet part "Part" b
\part{${1:part name}}%
\label{prt:${2:${1/(\w+)|\W+/(?1:\L$0\E:_)/ga}}}

$0
endsnippet

snippet cha "Chapter" b
\chapter{${1:chapter name}}%
\label{cha:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet sec "Section"
\section{${1:${VISUAL:section name}}}%
\label{sec:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet sec* "Section"
\section*{${1:${VISUAL:section name}}}%
\label{sec:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

${0}
endsnippet


snippet sub "Subsection"
\subsection{${1:${VISUAL:subsection name}}}%
\label{sub:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet sub* "Subsection"
\subsection*{${1:${VISUAL:subsection name}}}%
\label{sub:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

${0}
endsnippet

snippet ssub "Subsubsection"
\subsubsection{${1:${VISUAL:subsubsection name}}}%
\label{ssub:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet ssub* "Subsubsection"
\subsubsection*{${1:${VISUAL:subsubsection name}}}%
\label{ssub:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

${0}
endsnippet

snippet par "Paragraph"
\paragraph{${1:${VISUAL:paragraph name}}}%
\label{par:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet subp "Subparagraph"
\subparagraph{${1:${VISUAL:subparagraph name}}}%
\label{par:${2:${1/\\\w+\{(.*?)\}|\\(.)|(\w+)|([^\w\\]+)/(?4:_:\L$1$2$3\E)/ga}}}

$0
endsnippet

snippet ac "Acroynm normal" b
\ac{${1:acronym}}
$0
endsnippet

snippet acl "Acroynm expanded" b
\acl{${1:acronym}}
$0
endsnippet



snippet ni "Non-indented paragraph" b
\noindent
$0
endsnippet

snippet pac "Package" b
\usepackage`!p snip.rv='[' if t[1] else ""`${1:options}`!p snip.rv = ']' if t[1] else ""`{${2:package}}$0
endsnippet

snippet lp "Long parenthesis"
\left(${1:${VISUAL:contents}}\right)$0
endsnippet

snippet "mint(ed)?( (\S+))?" "Minted code typeset" br
\begin{minted}{${1:language}}
${2:${VISUAL:code}}
\end{minted}

$0
endsnippet

context "math()"
snippet '([A-Za-z])(\d)' "auto subscript" wrA
`!p snip.rv = match.group(1)`_`!p snip.rv = match.group(2)`
endsnippet

context "math()"
snippet '([A-Za-z])_(\d\d)' "auto subscript2" wrA
`!p snip.rv = match.group(1)`_{`!p snip.rv = match.group(2)`}
endsnippet


context "math()"
snippet // "Fraction" iA
\\frac{$1}{$2}$0
endsnippet

snippet / "Fraction" i
\\frac{${VISUAL}}{$1}$0
endsnippet

context "math()"
snippet '((\d+)|(\d*)(\\)?([A-Za-z]+)((\^|_)(\{\d+\}|\d))*)/' "symbol frac" wrA
\\frac{`!p snip.rv = match.group(1)`}{$1}$0
endsnippet

context "math()"
snippet sq "\sqrt{}" iA
\sqrt{${1:${VISUAL}}} $0
endsnippet

snippet '^.*\)/' "() Fraction" wrA
`!p
stripped = match.string[:-1]
depth = 0
i = len(stripped) - 1
while True:
	if stripped[i] == ')': depth += 1
	if stripped[i] == '(': depth -= 1
	if depth == 0: break;
	i -= 1
snip.rv = stripped[0:i] + "\\frac{" + stripped[i+1:-1] + "}"
`{$1}$0
endsnippet

# vim:ft=snippets: