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Fixes #94: Parse Multiple defined columns in the tabular/longtable.

This commit is contained in:
Kolan Sh 2014-12-09 08:56:21 +06:30
parent 72bba0d2a9
commit ef030b9c73
5 changed files with 77 additions and 18 deletions
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31
src/latex-struct/LongtableParser.vala
View File

@ -21,7 +21,10 @@ namespace LAview {
this.position = position;
/* get parameters string */
var param_regex = "^(\\[(c|l|r)])?\\{[^{}]*([^{}]*\\{[^{}]*\\}[^{}]*)*\\}";
var PAR_REG = "\\|*((>\\{[^{}*]+\\})?[^{}*]+\\{[^{}*]+\\}|[^{}*]+)\\|*";
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
var param_regex = "^(\\[(c|l|r)])?" + "\\{((\\*\\{[0-9]+\\}\\{"
+ PAR_REG + "\\}|" + PAR_REG + "))*\\}";
string params = "";
@ -59,16 +62,27 @@ namespace LAview {
/* match reversed params so '|' will be snapped to the right column */
try {
var regex = new Regex ("("
+ "\\|*}[^{}]+{(p\\|*|m\\|*|b\\|*)(}[^{}]+{>(\\|+$|\\||)|\\|)?"
+ "|"
+ "\\|*(r|c|l)(}[^{}]+{@(p\\|*|m\\|*|b\\|*) (r|c|l))?(\\|+$|\\||)"
+ ")");
var col_reg1 = "\\|*}[^{}]+{(p\\|*|m\\|*|b\\|*)(}[^{}]+{>(\\|+$|\\||)|\\|)?";
var col_reg2 = "\\|*(r|c|l)(}[^{}]+{@(p\\|*|m\\|*|b\\|*) (r|c|l))?(\\|+$|\\||)";
var regex = new Regex ("(" + col_reg1 + "|" + col_reg2
// Bug #94: Parse Multiple defined columns...
+ "|\\}" + col_reg1 + "\\{\\}[0-9]+\\{\\*"
+ "|\\}" + col_reg2 + "\\{\\}[0-9]+\\{\\*)");
MatchInfo match_info;
regex.match_full (params, -1, 0, 0, out match_info);
while (match_info.matches ()) {
var col_param = new ColParam.with_params (0, "", 0);
var word = match_info.fetch (0).reverse ().compress ();
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
int count = 1;
if (word[0] == '*') {
count = int.parse (word.offset(2));
int start;
for (start = 2; word[start] != '{'; ++start);
word = word[start + 1:word.length - 1];
}
int nllines, nrlines;
for (nllines = 0; '|' == word[nllines]; ++nllines);
for (nrlines = word.length - 1; nrlines != 0 && '|' == word[nrlines]; --nrlines);
@ -77,7 +91,10 @@ namespace LAview {
col_param.align = word.offset (nllines);
col_param.nllines = nllines;
col_param.nrlines = wlen - 1 - nrlines;
col_params.insert (0, col_param);
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
while (count-- > 0) col_params.insert (0, col_param);
match_info.next ();
}
} catch (RegexError e) {}

37
src/latex-struct/TabularParser.vala
View File

@ -21,9 +21,10 @@ namespace LAview {
this.position = position;
/* get parameters string */
var PARAM_REGEX_FIGBRANCHES = "\\{[^{}]*([^{}]*\\{[^{}]*\\}[^{}]*)*\\}";
var param_regex = "^(\\[(t|b)])?" + PARAM_REGEX_FIGBRANCHES + "("
+ PARAM_REGEX_FIGBRANCHES + ")?";
var PAR_REG = "\\|*((>\\{[^{}*]+\\})?[^{}*]+\\{[^{}*]+\\}|[^{}*]+)\\|*";
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
PAR_REG = "\\{((\\*\\{[0-9]+\\}\\{" + PAR_REG + "\\}|" + PAR_REG + "))*\\}";
var param_regex = "^(\\[(t|b)])?" + PAR_REG + "(" + PAR_REG + ")?";
string params = "";
uint start_pos = 0, stop_pos = 0;
@ -55,8 +56,8 @@ namespace LAview {
/* width */
try {
if (Regex.match_simple (PARAM_REGEX_FIGBRANCHES + PARAM_REGEX_FIGBRANCHES, params)) {
var regex = new Regex (PARAM_REGEX_FIGBRANCHES);
if (Regex.match_simple ("^" + PAR_REG + PAR_REG + "$", params)) {
var regex = new Regex (PAR_REG);
MatchInfo match_info;
regex.match (params, 0, out match_info);
match_info.fetch_pos (0, out start_pos, out stop_pos);
@ -74,17 +75,28 @@ namespace LAview {
/* match reversed params so '|' will be snapped to the right column */
try {
var regex = new Regex ("("
+ "\\|*}[^{}]+{(p\\|*|m\\|*|b\\|*)(}[^{}]+{>(\\|+$|\\||)|\\|)?"
+ "|"
+ "\\|*(r|c|l)(}[^{}]+{@(p\\|*|m\\|*|b\\|*) (r|c|l))?(\\|+$|\\||)"
+ ")");
var col_reg1 = "\\|*}[^{}]+{(p\\|*|m\\|*|b\\|*)(}[^{}]+{>(\\|+$|\\||)|\\|)?";
var col_reg2 = "\\|*(r|c|l)(}[^{}]+{@(p\\|*|m\\|*|b\\|*) (r|c|l))?(\\|+$|\\||)";
var regex = new Regex ("(" + col_reg1 + "|" + col_reg2
// Bug #94: Parse Multiple defined columns...
+ "|\\}" + col_reg1 + "\\{\\}[0-9]+\\{\\*"
+ "|\\}" + col_reg2 + "\\{\\}[0-9]+\\{\\*)");
params = params.reverse ();
MatchInfo match_info;
regex.match_full (params, -1, 0, 0, out match_info);
while (match_info.matches ()) {
var col_param = new ColParam.with_params (0, "", 0);
var word = match_info.fetch (0).reverse ().compress ();
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
int count = 1;
if (word[0] == '*') {
count = int.parse (word.offset(2));
int start;
for (start = 2; word[start] != '{'; ++start);
word = word[start + 1:word.length - 1];
}
int nllines, nrlines;
for (nllines = 0; '|' == word[nllines]; ++nllines);
for (nrlines = word.length - 1; nrlines != 0 && '|' == word[nrlines]; --nrlines);
@ -93,7 +105,10 @@ namespace LAview {
col_param.align = word.offset (nllines);
col_param.nllines = nllines;
col_param.nrlines = wlen - 1 - nrlines;
col_params.insert (0, col_param);
// Bug #94: Parse Multiple defined columns in the tabular/longtable.
while (count-- > 0) col_params.insert (0, col_param);
match_info.next ();
}
} catch (RegexError e) {}

7
test/parse-test/CMakeLists.txt
View File

@ -322,5 +322,12 @@ do_parse_test (back_slashes_in_a_table ${PROJECT_SOURCE_DIR}/test/tex/back_slash
"Original and generated text are EQUAL .-.")
SET_TESTS_PROPERTIES(ParseTest-back_slashes_in_a_table PROPERTIES ENVIRONMENT "LANG=en")
# test multiply_defined_columns.tex
do_parse_test (multiply_defined_columns
${PROJECT_SOURCE_DIR}/test/tex/multiply_defined_columns.tex
${PROJECT_SOURCE_DIR}/test/tex/multiply_defined_columns.etalon.tex
"Original and generated text are EQUAL .-.")
SET_TESTS_PROPERTIES(ParseTest-multiply_defined_columns PROPERTIES ENVIRONMENT "LANG=en")
# enable testing
ENABLE_TESTING ()

10
test/tex/multiply_defined_columns.etalon.tex Normal file
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@ -0,0 +1,10 @@
\begin{tabular}{l|>{\centering}p{0.11\linewidth}||>{\centering}p{0.11\linewidth}||>{\centering}p{0.11\linewidth}|c}
a & b & c \tabularnewline
\hline
a & b & c & d & e & f & g \tabularnewline
\end{tabular}
\begin{longtable}{l|>{\centering}p{0.11\linewidth}||>{\centering}p{0.11\linewidth}||>{\centering}p{0.11\linewidth}|c}
a & b & c \tabularnewline
\hline
a & b & c & d & e & f & g \tabularnewline
\end{longtable}

10
test/tex/multiply_defined_columns.tex Normal file
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@ -0,0 +1,10 @@
\begin{tabular}{l*{3}{|>{\centering}p{0.11\linewidth}|}c}
a & b & c \tabularnewline
\hline
a & b & c & d & e & f & g \tabularnewline
\end{tabular}
\begin{longtable}{l*{3}{|>{\centering}p{0.11\linewidth}|}c}
a & b & c \tabularnewline
\hline
a & b & c & d & e & f & g \tabularnewline
\end{longtable}