components/autofill/core/browser/address_field.cc - Issue 1453193002: autofill: switch autofill_regexes to RE2 library

Unified Diff: components/autofill/core/browser/address_field.cc

Issue 1453193002: autofill: switch autofill_regexes to RE2 library (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address reviews Created 5 years ago

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Index: components/autofill/core/browser/address_field.cc

diff --git a/components/autofill/core/browser/address_field.cc b/components/autofill/core/browser/address_field.cc

index bf96dc2e75860ca64d95a8be1e20ca9be5360e7a..b9948dbcdda7a76b668afd1348e20114cccf44cb 100644

--- a/components/autofill/core/browser/address_field.cc

+++ b/components/autofill/core/browser/address_field.cc

@@ -8,16 +8,12 @@

#include "base/logging.h"

#include "base/memory/scoped_ptr.h"

-#include "base/strings/string16.h"

#include "base/strings/string_util.h"

-#include "base/strings/utf_string_conversions.h"

#include "components/autofill/core/browser/autofill_field.h"

#include "components/autofill/core/browser/autofill_regex_constants.h"

#include "components/autofill/core/browser/autofill_scanner.h"

#include "components/autofill/core/browser/field_types.h"

-using base::UTF8ToUTF16;

namespace autofill {

namespace {

@@ -48,9 +44,6 @@ scoped_ptr<FormField> AddressField::Parse(AutofillScanner* scanner) {

const AutofillField* const initial_field = scanner->Cursor();

size_t saved_cursor = scanner->SaveCursor();

- base::string16 attention_ignored = UTF8ToUTF16(kAttentionIgnoredRe);

- base::string16 region_ignored = UTF8ToUTF16(kRegionIgnoredRe);

// Allow address fields to appear in any order.

size_t begin_trailing_non_labeled_fields = 0;

bool has_trailing_non_labeled_fields = false;

@@ -62,8 +55,8 @@ scoped_ptr<FormField> AddressField::Parse(AutofillScanner* scanner) {

address_field->ParseCompany(scanner)) {

has_trailing_non_labeled_fields = false;

continue;

- } else if (ParseField(scanner, attention_ignored, NULL) ||

- ParseField(scanner, region_ignored, NULL)) {

+ } else if (ParseField(scanner, kAttentionIgnoredRe, NULL) ||

+ ParseField(scanner, kRegionIgnoredRe, NULL)) {

// We ignore the following:

// * Attention.

// * Province/Region/Other.

@@ -148,7 +141,7 @@ bool AddressField::ParseCompany(AutofillScanner* scanner) {

if (company_ && !company_->IsEmpty())

return false;

- return ParseField(scanner, UTF8ToUTF16(kCompanyRe), &company_);

+ return ParseField(scanner, kCompanyRe, &company_);

}

bool AddressField::ParseAddressLines(AutofillScanner* scanner) {

@@ -164,19 +157,17 @@ bool AddressField::ParseAddressLines(AutofillScanner* scanner) {

return false;

// Ignore "Address Lookup" field. http://crbug.com/427622

- if (ParseField(scanner, base::UTF8ToUTF16(kAddressLookupRe), NULL))

+ if (ParseField(scanner, kAddressLookupRe, NULL))

return false;

- base::string16 pattern = UTF8ToUTF16(kAddressLine1Re);

- base::string16 label_pattern = UTF8ToUTF16(kAddressLine1LabelRe);

- if (!ParseFieldSpecifics(scanner, pattern, MATCH_DEFAULT, &address1_) &&

- !ParseFieldSpecifics(scanner, label_pattern, MATCH_LABEL | MATCH_TEXT,

+ if (!ParseFieldSpecifics(scanner, kAddressLine1Re, MATCH_DEFAULT,

&address1_) &&

- !ParseFieldSpecifics(scanner, pattern, MATCH_DEFAULT | MATCH_TEXT_AREA,

- &street_address_) &&

- !ParseFieldSpecifics(scanner, label_pattern,

- MATCH_LABEL | MATCH_TEXT_AREA,

- &street_address_))

+ !ParseFieldSpecifics(scanner, kAddressLine1LabelRe,

+ MATCH_LABEL | MATCH_TEXT, &address1_) &&

+ !ParseFieldSpecifics(scanner, kAddressLine1Re,

+ MATCH_DEFAULT | MATCH_TEXT_AREA, &street_address_) &&

+ !ParseFieldSpecifics(scanner, kAddressLine1LabelRe,

+ MATCH_LABEL | MATCH_TEXT_AREA, &street_address_))

return false;

if (street_address_)

@@ -185,19 +176,16 @@ bool AddressField::ParseAddressLines(AutofillScanner* scanner) {

// This code may not pick up pages that have an address field consisting of a

// sequence of unlabeled address fields. If we need to add this, see

// discussion on https://codereview.chromium.org/741493003/

- pattern = UTF8ToUTF16(kAddressLine2Re);

- label_pattern = UTF8ToUTF16(kAddressLine2LabelRe);

- if (!ParseField(scanner, pattern, &address2_) &&

- !ParseFieldSpecifics(scanner, label_pattern, MATCH_LABEL | MATCH_TEXT,

- &address2_))

+ if (!ParseField(scanner, kAddressLine2Re, &address2_) &&

+ !ParseFieldSpecifics(scanner, kAddressLine2LabelRe,

+ MATCH_LABEL | MATCH_TEXT, &address2_))

return true;

// Optionally parse address line 3. This uses the same label regexp as

// address 2 above.

- pattern = UTF8ToUTF16(kAddressLinesExtraRe);

- if (!ParseField(scanner, pattern, &address3_) &&

- !ParseFieldSpecifics(scanner, label_pattern, MATCH_LABEL | MATCH_TEXT,

- &address3_))

+ if (!ParseField(scanner, kAddressLinesExtraRe, &address3_) &&

+ !ParseFieldSpecifics(scanner, kAddressLine2LabelRe,

+ MATCH_LABEL | MATCH_TEXT, &address3_))

return true;

// Try for surplus lines, which we will promptly discard. Some pages have 4

@@ -205,8 +193,7 @@ bool AddressField::ParseAddressLines(AutofillScanner* scanner) {

// Since these are rare, don't bother considering unlabeled lines as extra

// address lines.

- pattern = UTF8ToUTF16(kAddressLinesExtraRe);

- while (ParseField(scanner, pattern, NULL)) {

+ while (ParseField(scanner, kAddressLinesExtraRe, NULL)) {

// Consumed a surplus line, try for another.

}

return true;

@@ -217,9 +204,7 @@ bool AddressField::ParseCountry(AutofillScanner* scanner) {

return false;

scanner->SaveCursor();

- if (ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kCountryRe),

- MATCH_DEFAULT | MATCH_SELECT,

+ if (ParseFieldSpecifics(scanner, kCountryRe, MATCH_DEFAULT | MATCH_SELECT,

&country_)) {

return true;

}

@@ -227,8 +212,7 @@ bool AddressField::ParseCountry(AutofillScanner* scanner) {

// The occasional page (e.g. google account registration page) calls this a

// "location". However, this only makes sense for select tags.

scanner->Rewind();

- return ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kCountryLocationRe),

+ return ParseFieldSpecifics(scanner, kCountryLocationRe,

MATCH_LABEL | MATCH_NAME | MATCH_SELECT,

&country_);

}

@@ -237,16 +221,13 @@ bool AddressField::ParseZipCode(AutofillScanner* scanner) {

if (zip_)

return false;

- if (!ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kZipCodeRe),

- kZipCodeMatchType,

- &zip_)) {

+ if (!ParseFieldSpecifics(scanner, kZipCodeRe, kZipCodeMatchType, &zip_)) {

return false;

}

// Look for a zip+4, whose field name will also often contain

// the substring "zip".

- ParseFieldSpecifics(scanner, UTF8ToUTF16(kZip4Re), kZipCodeMatchType, &zip4_);

+ ParseFieldSpecifics(scanner, kZip4Re, kZipCodeMatchType, &zip4_);

return true;

}

@@ -254,20 +235,21 @@ bool AddressField::ParseCity(AutofillScanner* scanner) {

if (city_)

return false;

- return ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kCityRe),

- kCityMatchType,

- &city_);

+ return ParseFieldSpecifics(scanner, kCityRe, kCityMatchType, &city_);

}

bool AddressField::ParseState(AutofillScanner* scanner) {

if (state_)

return false;

- return ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kStateRe),

- kStateMatchType,

- &state_);

+ // Ignore spurious matches for "United States".

Evan Stade 2015/12/08 19:34:56 where is this coming from? is this a new addition?

Ilya Sherman 2015/12/08 20:02:28 It's coming from a change to one of the regexes, w

+ size_t saved_cursor = scanner->SaveCursor();

+ if (ParseFieldSpecifics(scanner, "United States", kStateMatchType, nullptr)) {

+ scanner->RewindTo(saved_cursor);

+ return false;

+ }

+ return ParseFieldSpecifics(scanner, kStateRe, kStateMatchType, &state_);

}

bool AddressField::ParseCityStateZipCode(AutofillScanner* scanner) {

@@ -329,7 +311,7 @@ AddressField::ParseNameLabelResult AddressField::ParseNameAndLabelForZipCode(

return RESULT_MATCH_NONE;

ParseNameLabelResult result = ParseNameAndLabelSeparately(

- scanner, UTF8ToUTF16(kZipCodeRe), kZipCodeMatchType, &zip_);

+ scanner, kZipCodeRe, kZipCodeMatchType, &zip_);

if (result != RESULT_MATCH_NAME_LABEL || scanner->IsEnd())

return result;

@@ -349,10 +331,7 @@ AddressField::ParseNameLabelResult AddressField::ParseNameAndLabelForZipCode(

if (!found_non_zip4) {

// Look for a zip+4, whose field name will also often contain

// the substring "zip".

- ParseFieldSpecifics(scanner,

- UTF8ToUTF16(kZip4Re),

- kZipCodeMatchType,

- &zip4_);

+ ParseFieldSpecifics(scanner, kZip4Re, kZipCodeMatchType, &zip4_);

}

return result;

}

@@ -362,8 +341,7 @@ AddressField::ParseNameLabelResult AddressField::ParseNameAndLabelForCity(

if (city_)

return RESULT_MATCH_NONE;

- return ParseNameAndLabelSeparately(

- scanner, UTF8ToUTF16(kCityRe), kCityMatchType, &city_);

+ return ParseNameAndLabelSeparately(scanner, kCityRe, kCityMatchType, &city_);

}

AddressField::ParseNameLabelResult AddressField::ParseNameAndLabelForState(

@@ -371,8 +349,14 @@ AddressField::ParseNameLabelResult AddressField::ParseNameAndLabelForState(

if (state_)

return RESULT_MATCH_NONE;

- return ParseNameAndLabelSeparately(

- scanner, UTF8ToUTF16(kStateRe), kStateMatchType, &state_);

+ size_t saved_cursor = scanner->SaveCursor();

+ if (ParseFieldSpecifics(scanner, "United States", kStateMatchType, nullptr)) {

+ scanner->RewindTo(saved_cursor);

+ return RESULT_MATCH_NONE;

+ }

+ return ParseNameAndLabelSeparately(scanner, kStateRe, kStateMatchType,

+ &state_);

}

} // namespace autofill

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