clang-format all pdfium code.

public/fpdf_text.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef PUBLIC_FPDF_TEXT_H_
 #define PUBLIC_FPDF_TEXT_H_
 
 #include "fpdfview.h"
 
 // Exported Functions
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 // Function: FPDFText_LoadPage
 //          Prepare information about all characters in a page.
 // Parameters:
-//          page    -   Handle to the page. Returned by FPDF_LoadPage function (in FPDFVIEW module).
+//          page    -   Handle to the page. Returned by FPDF_LoadPage function
+//          (in FPDFVIEW module).
 // Return value:
 //          A handle to the text page information structure.
 //          NULL if something goes wrong.
 // Comments:
-//          Application must call FPDFText_ClosePage to release the text page information.
+//          Application must call FPDFText_ClosePage to release the text page
+//          information.
 //
 DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page);
 
 // Function: FPDFText_ClosePage
-//          Release all resources allocated for a text page information structure.
+//          Release all resources allocated for a text page information
+//          structure.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 // Return Value:
 //          None.
 //
 DLLEXPORT void STDCALL FPDFText_ClosePage(FPDF_TEXTPAGE text_page);
 
 // Function: FPDFText_CountChars
 //          Get number of characters in a page.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 // Return value:
 //          Number of characters in the page. Return -1 for error.
-//          Generated characters, like additional space characters, new line characters, are also counted.
+//          Generated characters, like additional space characters, new line
+//          characters, are also counted.
 // Comments:
-//          Characters in a page form a "stream", inside the stream, each character has an index.
-//          We will use the index parameters in many of FPDFTEXT functions. The first character in the page
+//          Characters in a page form a "stream", inside the stream, each
+//          character has an index.
+//          We will use the index parameters in many of FPDFTEXT functions. The
+//          first character in the page
 //          has an index value of zero.
 //
 DLLEXPORT int STDCALL FPDFText_CountChars(FPDF_TEXTPAGE text_page);
 
 // Function: FPDFText_GetUnicode
 //          Get Unicode of a character in a page.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          index       -   Zero-based index of the character.
 // Return value:
 //          The Unicode of the particular character.
-//          If a character is not encoded in Unicode and Foxit engine can't convert to Unicode,
+//          If a character is not encoded in Unicode and Foxit engine can't
+//          convert to Unicode,
 //          the return value will be zero.
 //
-DLLEXPORT unsigned int STDCALL FPDFText_GetUnicode(FPDF_TEXTPAGE text_page, int index);
+DLLEXPORT unsigned int STDCALL FPDFText_GetUnicode(FPDF_TEXTPAGE text_page,
+                                                   int index);
 
 // Function: FPDFText_GetFontSize
 //          Get the font size of a particular character.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          index       -   Zero-based index of the character.
 // Return value:
-//          The font size of the particular character, measured in points (about 1/72 inch).
+//          The font size of the particular character, measured in points (about
+//          1/72 inch).
 //          This is the typographic size of the font (so called "em size").
 //
-DLLEXPORT double STDCALL FPDFText_GetFontSize(FPDF_TEXTPAGE text_page, int index);
+DLLEXPORT double STDCALL FPDFText_GetFontSize(FPDF_TEXTPAGE text_page,
+                                              int index);
 
 // Function: FPDFText_GetCharBox
 //          Get bounding box of a particular character.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          index       -   Zero-based index of the character.
-//          left        -   Pointer to a double number receiving left position of the character box.
-//          right       -   Pointer to a double number receiving right position of the character box.
-//          bottom      -   Pointer to a double number receiving bottom position of the character box.
-//          top         -   Pointer to a double number receiving top position of the character box.
+//          left        -   Pointer to a double number receiving left position
+//          of the character box.
+//          right       -   Pointer to a double number receiving right position
+//          of the character box.
+//          bottom      -   Pointer to a double number receiving bottom position
+//          of the character box.
+//          top         -   Pointer to a double number receiving top position of
+//          the character box.
 // Return Value:
 //          None.
 // Comments:
 //          All positions are measured in PDF "user space".
 //
-DLLEXPORT void STDCALL FPDFText_GetCharBox(FPDF_TEXTPAGE text_page, int index, double* left,
-                                                    double* right, double* bottom, double* top);
+DLLEXPORT void STDCALL FPDFText_GetCharBox(FPDF_TEXTPAGE text_page,
+                                           int index,
+                                           double* left,
+                                           double* right,
+                                           double* bottom,
+                                           double* top);
 
 // Function: FPDFText_GetCharIndexAtPos
-//          Get the index of a character at or nearby a certain position on the page.
-// Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          Get the index of a character at or nearby a certain position on the
+//          page.
+// Parameters:
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          x           -   X position in PDF "user space".
 //          y           -   Y position in PDF "user space".
-//          xTolerance  -   An x-axis tolerance value for character hit detection, in point unit.
-//          yTolerance  -   A y-axis tolerance value for character hit detection, in point unit.
+//          xTolerance  -   An x-axis tolerance value for character hit
+//          detection, in point unit.
+//          yTolerance  -   A y-axis tolerance value for character hit
+//          detection, in point unit.
 // Return Value:
 //          The zero-based index of the character at, or nearby the point (x,y).
-//          If there is no character at or nearby the point, return value will be -1.
+//          If there is no character at or nearby the point, return value will
+//          be -1.
 //          If an error occurs, -3 will be returned.
 //
 DLLEXPORT int STDCALL FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page,
-                                                 double x, double y, double xTorelance, double yTolerance);
+                                                 double x,
+                                                 double y,
+                                                 double xTorelance,
+                                                 double yTolerance);
 
 // Function: FPDFText_GetText
 //          Extract unicode text string from the page.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          start_index -   Index for the start characters.
 //          count       -   Number of characters to be extracted.
-//          result      -   A buffer (allocated by application) receiving the extracted unicodes.
-//                          The size of the buffer must be able to hold the number of characters plus a terminator.
-// Return Value:
-//          Number of characters written into the result buffer, including the trailing terminator.
+//          result      -   A buffer (allocated by application) receiving the
+//          extracted unicodes.
+//                          The size of the buffer must be able to hold the
+//                          number of characters plus a terminator.
+// Return Value:
+//          Number of characters written into the result buffer, including the
+//          trailing terminator.
 // Comments:
 //          This function ignores characters without unicode information.
 //
-DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page, int start_index, int count, unsigned short* result);
+DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page,
+                                       int start_index,
+                                       int count,
+                                       unsigned short* result);
 
 // Function: FPDFText_CountRects
 //          Count number of rectangular areas occupied by a segment of texts.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          start_index -   Index for the start characters.
 //          count       -   Number of characters.
 // Return value:
 //          Number of rectangles. Zero for error.
 // Comments:
-//          This function, along with FPDFText_GetRect can be used by applications to detect the position
-//          on the page for a text segment, so proper areas can be highlighted or something.
-//          FPDFTEXT will automatically merge small character boxes into bigger one if those characters
+//          This function, along with FPDFText_GetRect can be used by
+//          applications to detect the position
+//          on the page for a text segment, so proper areas can be highlighted
+//          or something.
+//          FPDFTEXT will automatically merge small character boxes into bigger
+//          one if those characters
 //          are on the same line and use same font settings.
 //
-DLLEXPORT int STDCALL FPDFText_CountRects(FPDF_TEXTPAGE text_page, int start_index, int count);
+DLLEXPORT int STDCALL FPDFText_CountRects(FPDF_TEXTPAGE text_page,
+                                          int start_index,
+                                          int count);
 
 // Function: FPDFText_GetRect
-//          Get a rectangular area from the result generated by FPDFText_CountRects.
-// Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          Get a rectangular area from the result generated by
+//          FPDFText_CountRects.
+// Parameters:
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          rect_index  -   Zero-based index for the rectangle.
-//          left        -   Pointer to a double value receiving the rectangle left boundary.
-//          top         -   Pointer to a double value receiving the rectangle top boundary.
-//          right       -   Pointer to a double value receiving the rectangle right boundary.
-//          bottom      -   Pointer to a double value receiving the rectangle bottom boundary.
+//          left        -   Pointer to a double value receiving the rectangle
+//          left boundary.
+//          top         -   Pointer to a double value receiving the rectangle
+//          top boundary.
+//          right       -   Pointer to a double value receiving the rectangle
+//          right boundary.
+//          bottom      -   Pointer to a double value receiving the rectangle
+//          bottom boundary.
 // Return Value:
 //          None.
 //
-DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page, int rect_index, double* left, double* top,
-                                            double* right, double* bottom);
+DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page,
+                                        int rect_index,
+                                        double* left,
+                                        double* top,
+                                        double* right,
+                                        double* bottom);
 
 // Function: FPDFText_GetBoundedText
 //          Extract unicode text within a rectangular boundary on the page.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          left        -   Left boundary.
 //          top         -   Top boundary.
 //          right       -   Right boundary.
 //          bottom      -   Bottom boundary.
 //          buffer      -   A unicode buffer.
-//          buflen      -   Number of characters (not bytes) for the buffer, excluding an additional terminator.
-// Return Value:
-//          If buffer is NULL or buflen is zero, return number of characters (not bytes) of text present within
-//          the rectangle, excluding a terminating NUL.  Generally you should pass a buffer at least one larger
-//          than this if you want a terminating NUL, which will be provided if space is available.
-//          Otherwise, return number of characters copied into the buffer, including the terminating NUL
+//          buflen      -   Number of characters (not bytes) for the buffer,
+//          excluding an additional terminator.
+// Return Value:
+//          If buffer is NULL or buflen is zero, return number of characters
+//          (not bytes) of text present within
+//          the rectangle, excluding a terminating NUL.  Generally you should
+//          pass a buffer at least one larger
+//          than this if you want a terminating NUL, which will be provided if
+//          space is available.
+//          Otherwise, return number of characters copied into the buffer,
+//          including the terminating NUL
 //          when space for it is available.
 // Comment:
-//          If the buffer is too small, as much text as will fit is copied into it.
-//
-DLLEXPORT int STDCALL FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,double left, double top,
-                                              double right, double bottom,unsigned short* buffer,int buflen);
-
+//          If the buffer is too small, as much text as will fit is copied into
+//          it.
+//
+DLLEXPORT int STDCALL FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,
+                                              double left,
+                                              double top,
+                                              double right,
+                                              double bottom,
+                                              unsigned short* buffer,
+                                              int buflen);
 
 // Flags used by FPDFText_FindStart function.
-#define FPDF_MATCHCASE      0x00000001      //If not set, it will not match case by default.
-#define FPDF_MATCHWHOLEWORD 0x00000002      //If not set, it will not match the whole word by default.
+#define FPDF_MATCHCASE \
+  0x00000001  // If not set, it will not match case by default.
+#define FPDF_MATCHWHOLEWORD \
+  0x00000002  // If not set, it will not match the whole word by default.
 
 // Function: FPDFText_FindStart
 //          Start a search.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 //          findwhat    -   A unicode match pattern.
 //          flags       -   Option flags.
 //          start_index -   Start from this character. -1 for end of the page.
 // Return Value:
-//          A handle for the search context. FPDFText_FindClose must be called to release this handle.
-//
-DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page, FPDF_WIDESTRING findwhat,
-                                                    unsigned long flags, int start_index);
+//          A handle for the search context. FPDFText_FindClose must be called
+//          to release this handle.
+//
+DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page,
+                                                    FPDF_WIDESTRING findwhat,
+                                                    unsigned long flags,
+                                                    int start_index);
 
 // Function: FPDFText_FindNext
 //          Search in the direction from page start to end.
 // Parameters:
-//          handle      -   A search context handle returned by FPDFText_FindStart.
+//          handle      -   A search context handle returned by
+//          FPDFText_FindStart.
 // Return Value:
 //          Whether a match is found.
 //
 DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindNext(FPDF_SCHHANDLE handle);
 
 // Function: FPDFText_FindPrev
 //          Search in the direction from page end to start.
 // Parameters:
-//          handle      -   A search context handle returned by FPDFText_FindStart.
+//          handle      -   A search context handle returned by
+//          FPDFText_FindStart.
 // Return Value:
 //          Whether a match is found.
 //
 DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindPrev(FPDF_SCHHANDLE handle);
 
 // Function: FPDFText_GetSchResultIndex
 //          Get the starting character index of the search result.
 // Parameters:
-//          handle      -   A search context handle returned by FPDFText_FindStart.
+//          handle      -   A search context handle returned by
+//          FPDFText_FindStart.
 // Return Value:
 //          Index for the starting character.
 //
 DLLEXPORT int STDCALL FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle);
 
 // Function: FPDFText_GetSchCount
 //          Get the number of matched characters in the search result.
 // Parameters:
-//          handle      -   A search context handle returned by FPDFText_FindStart.
+//          handle      -   A search context handle returned by
+//          FPDFText_FindStart.
 // Return Value:
 //          Number of matched characters.
 //
 DLLEXPORT int STDCALL FPDFText_GetSchCount(FPDF_SCHHANDLE handle);
 
 // Function: FPDFText_FindClose
 //          Release a search context.
 // Parameters:
-//          handle      -   A search context handle returned by FPDFText_FindStart.
+//          handle      -   A search context handle returned by
+//          FPDFText_FindStart.
 // Return Value:
 //          None.
 //
 DLLEXPORT void STDCALL FPDFText_FindClose(FPDF_SCHHANDLE handle);
 
 // Function: FPDFLink_LoadWebLinks
 //          Prepare information about weblinks in a page.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
 // Return Value:
 //          A handle to the page's links information structure.
 //          NULL if something goes wrong.
 // Comments:
-//          Weblinks are those links implicitly embedded in PDF pages. PDF also has a type of
-//          annotation called "link", FPDFTEXT doesn't deal with that kind of link.
-//          FPDFTEXT weblink feature is useful for automatically detecting links in the page
-//          contents. For example, things like "http://www.foxitsoftware.com" will be detected,
-//          so applications can allow user to click on those characters to activate the link,
+//          Weblinks are those links implicitly embedded in PDF pages. PDF also
+//          has a type of
+//          annotation called "link", FPDFTEXT doesn't deal with that kind of
+//          link.
+//          FPDFTEXT weblink feature is useful for automatically detecting links
+//          in the page
+//          contents. For example, things like "http://www.foxitsoftware.com"
+//          will be detected,
+//          so applications can allow user to click on those characters to
+//          activate the link,
 //          even the PDF doesn't come with link annotations.
 //
 //          FPDFLink_CloseWebLinks must be called to release resources.
 //
 DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page);
 
 // Function: FPDFLink_CountWebLinks
 //          Count number of detected web links.
 // Parameters:
 //          link_page   -   Handle returned by FPDFLink_LoadWebLinks.
 // Return Value:
 //          Number of detected web links.
 //
 DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page);
 
 // Function: FPDFLink_GetURL
 //          Fetch the URL information for a detected web link.
 // Parameters:
 //          link_page   -   Handle returned by FPDFLink_LoadWebLinks.
 //          link_index  -   Zero-based index for the link.
 //          buffer      -   A unicode buffer.
-//          buflen      -   Number of characters (not bytes) for the buffer, including an additional terminator.
+//          buflen      -   Number of characters (not bytes) for the buffer,
+//          including an additional terminator.
 // Return Value:
-//          If buffer is NULL or buflen is zero, return number of characters (not bytes and an additional terminator is also counted) needed,
+//          If buffer is NULL or buflen is zero, return number of characters
+//          (not bytes and an additional terminator is also counted) needed,
 //          otherwise, return number of characters copied into the buffer.
 //
-DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page, int link_index, unsigned short* buffer,int buflen);
+DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page,
+                                      int link_index,
+                                      unsigned short* buffer,
+                                      int buflen);
 
 // Function: FPDFLink_CountRects
 //          Count number of rectangular areas for the link.
 // Parameters:
 //          link_page   -   Handle returned by FPDFLink_LoadWebLinks.
 //          link_index  -   Zero-based index for the link.
 // Return Value:
 //          Number of rectangular areas for the link.
 //
-DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page, int link_index);
+DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page,
+                                          int link_index);
 
 // Function: FPDFLink_GetRect
 //          Fetch the boundaries of a rectangle for a link.
 // Parameters:
 //          link_page   -   Handle returned by FPDFLink_LoadWebLinks.
 //          link_index  -   Zero-based index for the link.
 //          rect_index  -   Zero-based index for a rectangle.
-//          left        -   Pointer to a double value receiving the rectangle left boundary.
-//          top         -   Pointer to a double value receiving the rectangle top boundary.
-//          right       -   Pointer to a double value receiving the rectangle right boundary.
-//          bottom      -   Pointer to a double value receiving the rectangle bottom boundary.
+//          left        -   Pointer to a double value receiving the rectangle
+//          left boundary.
+//          top         -   Pointer to a double value receiving the rectangle
+//          top boundary.
+//          right       -   Pointer to a double value receiving the rectangle
+//          right boundary.
+//          bottom      -   Pointer to a double value receiving the rectangle
+//          bottom boundary.
 // Return Value:
 //          None.
 //
-DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page, int link_index, int rect_index,
-                                        double* left, double* top,double* right, double* bottom);
+DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page,
+                                        int link_index,
+                                        int rect_index,
+                                        double* left,
+                                        double* top,
+                                        double* right,
+                                        double* bottom);
 
 // Function: FPDFLink_CloseWebLinks
 //          Release resources used by weblink feature.
 // Parameters:
 //          link_page   -   Handle returned by FPDFLink_LoadWebLinks.
 // Return Value:
 //          None.
 //
 DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page);
 
-
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // PUBLIC_FPDF_TEXT_H_