Subject: [Boost-commit] svn:boost r84147 - trunk/tools/quickbook/src
From: dnljms_at_[hidden]
Date: 2013-05-05 09:45:22
Author: danieljames
Date: 2013-05-05 09:45:21 EDT (Sun, 05 May 2013)
New Revision: 84147
URL: http://svn.boost.org/trac/boost/changeset/84147
Log:
Add comments to location finding code for indented blocks.
Text files modified:
trunk/tools/quickbook/src/files.cpp | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
Modified: trunk/tools/quickbook/src/files.cpp
==============================================================================
--- trunk/tools/quickbook/src/files.cpp (original)
+++ trunk/tools/quickbook/src/files.cpp 2013-05-05 09:45:21 EDT (Sun, 05 May 2013)
@@ -293,10 +293,16 @@
switch (section->section_type) {
case mapped_file_section::normal:
return pos - section->our_pos + section->original_pos;
+
case mapped_file_section::empty:
return section->original_pos;
+
case mapped_file_section::indented: {
+ // Will contain the start of the current line.
boost::string_ref::size_type our_line = section->our_pos;
+
+ // Will contain the number of lines in the block before
+ // the current line.
unsigned newline_count = 0;
for(boost::string_ref::size_type i = section->our_pos;
@@ -307,10 +313,13 @@
++newline_count;
}
}
-
+
+ // Simple case for the first line, as we already know the
+ // corresponding position for the start of line.
if (newline_count == 0)
return pos - section->our_pos + section->original_pos;
+ // The start of the line in the original source.
boost::string_ref::size_type original_line =
section->original_pos;
@@ -319,7 +328,8 @@
--newline_count;
++original_line;
}
-
+
+ // Skip over indentation
for(unsigned i = section->indentation; i > 0; --i) {
if (original->source()[original_line] == '\n' ||
original->source()[original_line] == '\0') break;
@@ -331,6 +341,7 @@
assert(original->source()[original_line] ==
source()[our_line]);
+ // Calculate the position
return original_line + (pos - our_line);
}
default: