Merge pull request #17 from wildart/tex

fixed latex figure handling, added latex example

examples/Jweave.sty

@@ -0,0 +1,11 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{Jweave}{}
+
+\RequirePackage[utf8]{inputenc}
+\RequirePackage{textgreek}
+\RequirePackage{graphicx}
+\RequirePackage{fancyvrb,textcomp}
+
+\DefineVerbatimEnvironment{juliain}{Verbatim}{fontshape=sl}
+\DefineVerbatimEnvironment{juliaout}{Verbatim}{}
+\DefineVerbatimEnvironment{juliacode}{Verbatim}{fontshape=sl}

examples/julia_latex.texw

@@ -0,0 +1,43 @@
+\documentclass[12pt]{article}
+\usepackage{hyperref}
+\usepackage{Jweave} % Required to convert custom envs: juliacode & juliaout
+
+\title{Introduction to Julia Weave}
+
+\begin{document}
+\maketitle
+
+This a sample \href{http://julialang.org/}{Julia} latex document that can
+be executed using Weave. Output from code chunks and Gadfly
+plots will be included in the weaved document.
+
+This documented can be turned into Latex document with captured
+result from Julia prompt.
+
+\section*{Terminal chunk}
+<<term=true>>=
+x = 1:10
+d = {"Weave" => "testing"}
+y = [2, 4 ,8]
+@
+
+\section*{Capturing figures}
+
+The figures and code can be included in the output.
+
+<<fig_cap="sin(x) function."; label="sin_fun"; fig_pos="ht">>=
+using Gadfly
+x = linspace(0, 2π, 200)
+plot(x=x, y = sin(x), Geom.line)
+@
+
+<<echo=false; fig_cap="cos(x) function.">>=
+plot(x=x, y = cos(x), Geom.line)
+@
+
+<<echo=false; label="cos2_fun">>=
+plot(x=x, y = cos(2x), Geom.line)
+@
+
+
+\end{document}

src/formatters.jl

@@ -44,8 +44,6 @@ end
 
 
 function format_codechunk(chunk, formatdict)
-
-
     if haskey(formatdict, :indent)
         chunk[:content] = indent(chunk[:content], formatdict[:indent])
     end
@@ -91,17 +89,15 @@ function format_codechunk(chunk, formatdict)
 
 end
 
-
-
 function format_termchunk(chunk, formatdict)
-  if chunk[:echo] && chunk[:results] != "hidden"
+    if chunk[:echo] && chunk[:results] != "hidden"
-    result = "$(formatdict[:termstart])$(chunk[:result])\n"
+        result = "$(formatdict[:termstart])$(chunk[:result])\n"
-    #@show chunk[:term_state]
+        #@show chunk[:term_state]
-    chunk[:term_state] == :text && (result*= "$(formatdict[:termend])\n")
+        chunk[:term_state] == :text && (result*= "$(formatdict[:termend])\n")
-  else
+    else
-    result = ""
+        result = ""
-  end
+    end
-return result
+    return result
 end
 
 function indent(text, nindent)
@@ -205,7 +201,7 @@ function formatfigures(chunk, docformat::Tex)
     figstring = ""
 
     if f_env != nothing
-        result *= """\\begin{$f_env}\n"""
+        result *= """\\begin{$f_env}[$f_pos]\n"""
     end
 
 
@@ -215,21 +211,21 @@ function formatfigures(chunk, docformat::Tex)
 
     # Figure environment
     if caption != nothing
-        result *= string("\\begin{figure}[$f_pos]\n",
+        result *= string("\\center\n",
-                         "\\center\n",
                          "$figstring",
                          "\\caption{$caption}\n")
-        if chunk[:name] != nothing
-            label = chunk[:name]
-            result *= "\label{fig:$label}\n"
-            result *= "\\end{figure}\n"
-        end
     else
         result *= figstring
     end
 
+    if chunk[:name] != nothing
+        label = chunk[:name]
+        result *= "\\label{fig:$label}\n"
+    end
+
+
     if f_env != nothing
-        result += "\\end{$f_env}\n"
+        result *= "\\end{$f_env}\n"
     end
 
    return result