Removes C++11 raw strings from lines. Before: static const char kData[] = R"( multi-line string )"; After: static const char kData[] = "" (replaced by blank line) ""; Args: raw_lines: list of raw lines. Returns: list of line
(raw_lines)
| 1291 | |
| 1292 | |
| 1293 | def CleanseRawStrings(raw_lines): |
| 1294 | """Removes C++11 raw strings from lines. |
| 1295 | |
| 1296 | Before: |
| 1297 | static const char kData[] = R"( |
| 1298 | multi-line string |
| 1299 | )"; |
| 1300 | |
| 1301 | After: |
| 1302 | static const char kData[] = "" |
| 1303 | (replaced by blank line) |
| 1304 | ""; |
| 1305 | |
| 1306 | Args: |
| 1307 | raw_lines: list of raw lines. |
| 1308 | |
| 1309 | Returns: |
| 1310 | list of lines with C++11 raw strings replaced by empty strings. |
| 1311 | """ |
| 1312 | |
| 1313 | delimiter = None |
| 1314 | lines_without_raw_strings = [] |
| 1315 | for line in raw_lines: |
| 1316 | if delimiter: |
| 1317 | # Inside a raw string, look for the end |
| 1318 | end = line.find(delimiter) |
| 1319 | if end >= 0: |
| 1320 | # Found the end of the string, match leading space for this |
| 1321 | # line and resume copying the original lines, and also insert |
| 1322 | # a "" on the last line. |
| 1323 | leading_space = Match(r'^(\s*)\S', line) |
| 1324 | line = leading_space.group(1) + '""' + line[end + len(delimiter):] |
| 1325 | delimiter = None |
| 1326 | else: |
| 1327 | # Haven't found the end yet, append a blank line. |
| 1328 | line = '""' |
| 1329 | |
| 1330 | # Look for beginning of a raw string, and replace them with |
| 1331 | # empty strings. This is done in a loop to handle multiple raw |
| 1332 | # strings on the same line. |
| 1333 | while delimiter is None: |
| 1334 | # Look for beginning of a raw string. |
| 1335 | # See 2.14.15 [lex.string] for syntax. |
| 1336 | # |
| 1337 | # Once we have matched a raw string, we check the prefix of the |
| 1338 | # line to make sure that the line is not part of a single line |
| 1339 | # comment. It's done this way because we remove raw strings |
| 1340 | # before removing comments as opposed to removing comments |
| 1341 | # before removing raw strings. This is because there are some |
| 1342 | # cpplint checks that requires the comments to be preserved, but |
| 1343 | # we don't want to check comments that are inside raw strings. |
| 1344 | matched = Match(r'^(.*?)\b(?:R|u8R|uR|UR|LR)"([^\s\\()]*)\((.*)$', line) |
| 1345 | if (matched and |
| 1346 | not Match(r'^([^\'"]|\'(\\.|[^\'])*\'|"(\\.|[^"])*")*//', |
| 1347 | matched.group(1))): |
| 1348 | delimiter = ')' + matched.group(2) + '"' |
| 1349 | |
| 1350 | end = matched.group(3).find(delimiter) |