From debe1223136e5d68a0e3876305e911bcb61ac104 Mon Sep 17 00:00:00 2001
From: "K. Nikolaev" <nikolaevk.95@gmail.com>
Date: Sat, 8 Apr 2017 20:02:20 +0300
Subject: [PATCH] Added parser for yaml-cpp.vcxproj

Parses VC++ project file and creates project copy which includes 4
single compilation unit files
---
 make_scu_project.py | 174 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 make_scu_project.py

diff --git a/make_scu_project.py b/make_scu_project.py
new file mode 100644
index 0000000..33561d1
--- /dev/null
+++ b/make_scu_project.py
@@ -0,0 +1,174 @@
+
+import os
+import re
+import sys
+
+vcxproj_dir = ''
+
+
+def write_lines_to_vcxproj_file(filename, lines):
+
+    file = open(filename, 'w')
+
+    file.write('\n'.join(lines))
+
+    file.close()
+
+
+def create_scu_file(scu_filename, cpp_to_include):
+
+    file = open(scu_filename, 'w')
+
+    for cpp_file_entry in cpp_to_include:
+
+        print 'Including ' + cpp_file_entry + ' into: ' + scu_filename
+
+        include_cpp_line = '#include ' + cpp_file_entry
+
+        file.write(include_cpp_line + '\n')
+
+    file.close()
+
+
+def create_cpp_scu_files(src_cpp_files, scu_files):
+    print len(src_cpp_files)
+
+    cpp_portion = len(src_cpp_files) // len(scu_files)
+
+    cpp_modulo = len(src_cpp_files) % len(scu_files)
+
+    create_scu_file(scu_files[0], src_cpp_files[:cpp_portion + cpp_modulo])
+
+    next_cpp_entry_index = cpp_portion + cpp_modulo
+
+    for scu_index in range(1, len(scu_files)):
+
+        create_scu_file(scu_files[scu_index], src_cpp_files[next_cpp_entry_index : next_cpp_entry_index + cpp_portion])
+
+        next_cpp_entry_index += cpp_portion
+    
+
+
+def parse_vcxproj(vcxproj_lines):
+
+    output_vcxproj_lines = []
+
+    cpp_files = []
+
+    cpp_scu_files = []
+
+    build_configurations = []
+
+    for line_index, vcxproj_line in enumerate(vcxproj_lines):
+
+        match_cl_compile_cpp = re.search(r'<ClCompile Include=', vcxproj_line)
+
+        if match_cl_compile_cpp:
+
+            processed_line = vcxproj_line.replace(r'\\', r'\\\\')
+
+            match_cl_compile_cpp = re.search(r'^(\s+)<ClCompile Include=(".+\.cpp")', processed_line)
+
+            if match_cl_compile_cpp:
+
+                cl_item_group_tab = match_cl_compile_cpp.group(1)
+
+                cl_cpp_path = match_cl_compile_cpp.group(2)
+
+                cl_compile_cpp_line = cl_item_group_tab + '<ClCompile Include=' + cl_cpp_path + '>'
+
+                excluded_from_build_line = cl_item_group_tab + '\t' + '<ExcludedFromBuild>' + 'true' + '</ExcludedFromBuild>'
+
+                cl_compile_cpp_line_close_tag = cl_item_group_tab + '</ClCompile>'
+
+                cpp_files.append(cl_cpp_path)
+
+                output_vcxproj_lines.append(cl_compile_cpp_line)
+
+                output_vcxproj_lines.append(excluded_from_build_line)
+
+                output_vcxproj_lines.append(cl_compile_cpp_line_close_tag)
+
+                print cl_cpp_path + ' was excluded from build'
+
+                if line_index < (len(vcxproj_lines) - 1):
+
+                    next_line = vcxproj_lines[line_index + 1]
+
+                    match_cl_item_group_close_tag = re.search(r'</ItemGroup>', next_line)
+
+                    if match_cl_item_group_close_tag:
+
+                        ## add SCU files:
+
+                        for i in range(4):
+
+                            cpp_scu_filename = vcxproj_dir + '\\scu' + str(i + 1) + '.cpp'
+
+                            cpp_scu_files.append(cpp_scu_filename)
+
+                            cl_compile_cpp_scu_line = cl_item_group_tab + '<ClCompile Include="' + cpp_scu_filename + '" />'
+
+                            output_vcxproj_lines.append(cl_compile_cpp_scu_line)
+
+                            print cpp_scu_filename + ' was included to build'
+
+        else:
+
+            output_vcxproj_lines.append(vcxproj_line)
+
+            match_cl_compile_optimization_tag = re.search(r'^(\s+)<Optimization>.+</Optimization>$', vcxproj_line)
+
+            if match_cl_compile_optimization_tag:
+
+                multi_processor_comp_flag_line = '<MultiProcessorCompilation>true</MultiProcessorCompilation>'
+
+                output_vcxproj_lines.append(multi_processor_comp_flag_line)
+
+    create_cpp_scu_files(cpp_files, cpp_scu_files)
+
+    return output_vcxproj_lines
+
+
+
+
+def read_lines_from_vcxproj(filename):
+    vcxproj_lines = []
+
+    try:
+        file = open(filename, 'r')
+        vcxproj_lines = file.read().split('\n')
+        file.close()
+    except IOError:
+        sys.exit('cannot open file' + filename)
+
+    return vcxproj_lines
+
+
+
+if len(sys.argv) < 2:
+    sys.exit('provide vcxproj file')
+
+src_vcxproj_file = sys.argv[1]
+
+match_src_vcxproj = re.search(r'(.+)\.vcxproj$', src_vcxproj_file)
+
+if not match_src_vcxproj:
+    sys.exit('input file is not vcxproj')
+
+
+dst_vcxproj_file = match_src_vcxproj.group(1) + '-scu' + '.vcxproj'
+
+print 'Creating: ' + dst_vcxproj_file
+
+
+vcxproj_dir = os.path.dirname(os.path.abspath(src_vcxproj_file))
+
+
+src_vcxproj_content = read_lines_from_vcxproj(src_vcxproj_file)
+
+
+dst_vcxproj_content = parse_vcxproj(src_vcxproj_content)
+
+
+write_lines_to_vcxproj_file(dst_vcxproj_file, dst_vcxproj_content)