JPH09198376A - Document processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To confirm a document by reducing a scroll operation by removing a space or a tab up to the first character or character string of a line for each line, thereby displaying the character or the character string from the head of a sentence. SOLUTION: When the instruction of simplified display is received from a display switch instructing means 105, a retrieving means 106 reads document data out of a document data storage means 103 for each line and retrieves the display part position of previously processed document data corresponding to format information consisting of centering and right-justifying. Then, a document processor 102 is further provided with a changing means 110 for changing the display start position of processed document data into left-justifying on a display screen, and a display control means 108 displays the document data at the display start position changed by the changing means 110 on a display means 104. Thus, by switching into simplified display, data are displayed by left-justifying format to left while ignoring the format setting of centering or right-justifying for each line. Therefore, much more documents are displayed on the limited display screen.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document processing device, and more specifically, it is applied to a document processing device such as a Japanese word processor, a European word processor, a DTP (Desk Top Publishing), a personal computer, an electronic notebook, and a portable information processing terminal. In addition, the present invention relates to a document processing device that allows a part of the layout of document data to be changed and simply displayed.

[0002]

2. Description of the Related Art Conventionally, in this type of document processing apparatus,
For example, when inputting and editing a document, alignment of character strings (layout) is performed by inputting a control code such as a space code or a tab code. By displaying the start and end positions based on the format of the text data, and correspondingly displaying the storage state of the text data,
There is known a text creating device capable of displaying a layout that is simple and extremely easy to see (see Japanese Patent Application Laid-Open No. 61-232487).

A character processing device is known in which the control code is collectively or selectively changed to a space code as necessary, thereby eliminating the need for manual change and reducing the burden on the operator (Japanese Patent Laid-Open No. Hei 5). -46617 gazette). A tab scale line of an information processing device is provided, which allows the display position of the tab scale line to be changed each time when the document information is input from the input means, so that the character position can be easily grasped and the operability of document creation is improved. A setting mechanism is known (see Japanese Patent Application Laid-Open No. 5-40458).

[0004]

However, the document processing described in JP-A-61-2232487, JP-A-5-46617 and JP-A-5-40458 is
Regarding the improvement of document input / edit work, for example, if you want to check the document contents earlier in an electronic organizer or mobile terminal that has a limited display area, change part of the layout of the created document data. The configuration for performing the simple display processing is not described.

For example, as an example of a blank area in the layout of document data, if there is document data starting with a space or tab from the beginning of a line, the space or tab portion becomes a blank area. In addition, a single full-width space between characters or a plurality of full-width or half-width spaces becomes a blank area. Further, the tabs in the document become blank areas on the display up to a certain tab setting position set by the document processing apparatus. If centering or right-justified mode is set in the format information of the document data,
The beginning of the line becomes blank. If the line feed pitch of the format information of the document data is set to a value larger than the height of the characters being displayed, the line feed interval becomes too large and that part becomes blank.

FIG. 15 is an explanatory diagram showing an example of screen processing for displaying a layout larger than the area of the display screen. FIG.
Indicates that the maximum number of digits of the document data stored in the display buffer is 30 single-byte characters and the maximum number of digits of the display screen is 20 single-byte characters. Also, the ▼ mark shown above the digit number represents the tab setting position in this document data, and this tab setting position information is stored in the format buffer. In FIG. 15A, the areas of digit numbers 1 to 20 represented by solid lines are displayed on the screen, and the digit numbers 21 to 30 represented by points.
Indicates that the area is not displayed outside the screen. FIG. 15B shows a scroll process in which the display area of FIG. 15A is moved to the right by five digits with the right scroll key. As a result, the areas with the digit numbers 21 to 25 appear on the screen, but the areas with the digit numbers 1 to 5 disappear from the screen.

In a document processing apparatus for displaying a document having a layout larger than the area of the display screen as described above, a control code such as a space code or a tab code, or a document created with a layout having many formats such as centering and right justification is used. There are many blank areas, and so many areas are off the display screen. When checking a document with a lot of white space, there is a problem that the scroll operation becomes complicated.
Therefore, when giving top priority to simply knowing the document contents,
The layout of blank parts such as spaces and tabs is unnecessary.

The present invention has been made in consideration of the above circumstances. For example, a document process having a simple display function of filling a blank area of document data and displaying a large number of character codes on a limited display screen. A device is provided.

[0009]

FIG. 1 is a block diagram showing the basic configuration of the present invention. As shown in FIG. 1, the present invention includes an input unit 101 for inputting document data including a character code, a space code, a tab code, etc., and a format thereof.
Document processing means 102 for processing the input document data for each line according to the format, document data storage means 103 for storing the document processed document data, and display means 104 for displaying the document data on a display screen, Display switching instructing means 105 for instructing normal display for displaying document-processed document data as it is or simple display for simplifying document processing, and simple display instruction from the display switching instructing means 105 for document data Retrieval means 106 for reading out the document data for each line from the storage means 103 and retrieving the space and tab code from the beginning of each line to the character code input position, and a removing means 107 for removing the space code and tab code retrieved for each line. , The document data from which the space code and tab code are removed is displayed on the left side of the display screen. A document processing apparatus characterized by comprising a display control unit 108 to be displayed on the stage 104.

According to the present invention, by switching to the simplified display, the space or tab code up to the first character code (character or character string) of that line is removed and the character or character string is displayed from the beginning of each sentence. It Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation.

In the present invention, the input means 101
Is composed of an input device such as a keyboard, a mouse, and a pen / tablet. The document processing unit 102, the document data storage unit 103, the display switching instruction unit 105, the search unit 106, the removal unit 107, the display control unit 108, the replacement unit 109, the changing unit 110, and the line feed correcting unit 111 include a CPU, a ROM, and a RAM. , I / O port. In particular, the document data storage means 103 is composed of the RAM therein. Further, in the ROM, the display switching instruction means 105, the search means 106, the removal means 107, the display control means 108 of the present invention,
Replacement unit 109, change unit 110, line feed correction unit 111
A program that functions as is stored. The display unit 104 is composed of a display device such as a liquid crystal display (LCD) or a CRT display.

When the retrieval means 106 receives a simple display instruction from the display switching instruction means 105, the retrieval means 106 reads the document data for each line from the document data storage means 103 and outputs a space code following the character code of the document data for each line. The document processing apparatus further includes a search function, and the document processing apparatus further includes replacement means 109 for replacing the space code to the next character code with one half-width space code, and the display control means 108 is replaced by the replacement means 109. It is preferable that the displayed document data is displayed on the display unit 104. With this configuration, by switching to the simplified display, the space following the character code (character or character string) and the space up to the next character or character string are replaced and displayed as a single half-width space for each line. To be done. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation.

When the retrieval means 106 receives a simple display instruction from the display switching instruction means 105, the retrieval means 106 reads out the document data for each line from the document data storage means 103 and outputs a tab code following the character code of the document data in each row. The document processing apparatus further includes a search function, and the document processing apparatus further includes a replacement unit 109 that replaces the tab code to the next character code with a one-byte space code. The display control unit 108 is replaced by the replacement unit 109. It is preferable that the displayed document data is displayed on the display unit 104. According to this configuration, by switching to the simplified display, the tab following the character code (character or character string) and the tabs up to the next character or character string are collectively displayed in one half-width space for each line. To be done. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation.

When the search means 106 receives a simple display instruction from the display switching instruction means 105, the document data is read from the document data storage means 103 for each line and document processing is performed in advance by format information including centering and right justification. The document processing apparatus further includes a function of searching the display start position of the processed document data, and the document processing apparatus further includes changing means 110 for changing the display start position of the document processed document data to the left justification of the display screen. Control means 108
It is preferable that the document data is displayed on the display unit 104 at the display start position changed by the changing unit 110. According to this configuration, by switching to the simplified display, the centering and right-justified formatting of each line are ignored and the left-justified display is performed. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation.

When the search means 106 receives a simple display instruction from the display switching instruction means 105, the document data is read from the document data storage means 103 for each line, and if the line feed pitch and the character code of each line are not included, the line feed is performed. And further comprising a function of searching a code,
A line feed correction unit 111 for invalidating the line feed code of a line that does not include a character code and for correcting a line feed pitch larger than the character height to a pitch equal to the character height is further provided, and the display control unit 108 uses the line feed correction unit 111. It is preferable that the corrected document data is displayed on the display unit 104. According to this configuration, by switching to the simple display, the line breaks of the lines that do not include the character or the character string are ignored, and the line break pitch of the lines that include the character or the character string is corrected to a pitch equal to the character height. Therefore, since the document having a larger number of lines is displayed on the limited display screen, the scroll operation can be reduced and the document can be confirmed. In addition, the operator does not need to change the setting of the format information.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings. The present invention is not limited by this. The simple display function of the present invention is effectively used for a device having a display screen with a relatively small display capacity such as an electronic notebook and a portable information processing terminal.

FIG. 2 is a block diagram showing an embodiment in which the document processing apparatus of the present invention is applied to a portable information processing terminal.
As shown in FIG. 2, the document processing apparatus according to the present invention includes a CPU.
(Central processing unit) 1, ROM (Read only memory) 2, RAM (Random access memory) 3, Display device 4, Keyboard 5, Communication device 6, Printer 7, External storage device 8, Address data bus It is composed of nine. The ROM 2 stores programs and data for controlling the system, and the CPU 1 performs various controls of the entire system (apparatus) by various programs stored in the ROM 2 via the address / data bus 9 and the various programs shown in FIG. It functions as a searching unit, a removing unit, a display controlling unit, a replacing unit, a changing unit, and a line feed correcting unit.

The RAM 3 stores a document buffer 3a for storing document data input from the keyboard 5 and the communication device 6, a display buffer 3b for storing display data to be displayed on the display device 4, and format information of the input document data. A format buffer 3c for storing, a pointer 3d for indicating the storage destination of the document data (characters, spaces, tabs) of each line in the document buffer 3a, and a work area used by the CPU 1 for arithmetic processing such as search / replacement processing by executing the program. 3e
It is composed of The RAM 3 also functions as the document data storage unit shown in FIG. Document data described below is assumed to be composed of character codes, space codes, tab codes, line feed codes, and the like.

The display device 4 displays the contents of the display buffer 3b, and an LCD (liquid crystal display), a CRT display or the like is used. It also functions as the display means in FIG. The keyboard 5 is for inputting characters, spaces, tabs, format codes and the like for the operated keys, and functions as the input means and display switching instruction means of FIG. The communication device 6 is for receiving and transmitting document data from another system, and a modem or an infrared unit is used. The printer 7 is for printing out the contents of the document buffer 3a or the display buffer 3c on paper or the like, and a thermal printer or a laser printer is used. The external storage device 8 is for storing the input and edited document data and is a hard disk device (H
D), floppy disk drive (FD), memory card, etc. are used.

FIG. 3 is a flow chart showing the main routine of the simple display process (1) of the present invention. In FIG. 3, it is assumed that the simple display mode is set. Step S1: The digit number 1 is designated in the pointer as an initial value. In step S2, the document data of the digit number indicated by the pointer is read from the document buffer 3a. Step S3: It is determined whether the document data is a character code. If Yes, the process proceeds to step S7, and if No, the process proceeds to step S4. Search for character code. Step S7: Displayed character code for display buffer 3b
To step S2.

Step S4: It is determined whether or not the character code has already been output to the display buffer 3b. If Yes, the process proceeds to Step S5, and if No, the process returns to Step S2.
Therefore, step S2, step S3, step S4,
By repeating step S7, the character code is first searched, and the character code is stored at the beginning of the line in the display buffer 3b. Therefore, for each line, there is a space or tab code up to the first character code (character or character string) of that line. A character or character string is displayed from the beginning of the sentence.

Step S5: It is determined whether the document data read in step S2 is a space code (full-width or half-width). If Yes, the process proceeds to step S8, No.
If so, the process proceeds to step S6. At this time, all space codes up to the next character code are searched. Step S8: All space codes between the characters searched in step S5 are replaced with one half-width space code and output to the display buffer 3b, and the process returns to step S2. Step S6: It is determined whether the document data read in step S2 is a tab code, and if Yes, step S
If No, the process returns to step S2. At this time, all tab codes up to the next character code are searched. Step S9: All tab codes between the characters retrieved in step S6 are replaced with one-byte one-space code and output to the display buffer 3b, and the process returns to step S2.

FIG. 4 is a flowchart showing a subroutine of the document data reading process of FIG. In FIG. 4, step S11: The document data of the digit number indicated by the pointer is read from the document buffer 3a. Step S12: The pointer is moved up and the next document data is designated. Step S13: It is judged whether the read document data is a line feed code. If Yes, the process proceeds to step S15, N
If it is o, the process proceeds to step S14. Step S14: It is judged whether the search / replacement processing has been performed up to the end of one line.
Then return to the main routine. Step S15: The line feed code is output to the display buffer 3b, and the search / replacement process for this line is completed.

FIG. 5 is an explanatory diagram showing the contents of the display screen and the display buffer corresponding to the simple display process (1) of FIG.
In FIG. 5, FIG. 5A shows the display screen in the normal display mode, and the dotted line portion is the protruding area displayed by scrolling. FIG. 5C shows the contents of the display buffer corresponding to the display contents of FIG. FIG. 5B shows a display screen in the simple display mode of the present invention, and a dotted line portion is a protruding area displayed by scrolling. FIG. 5 (d) shows the contents of the display buffer 3b corresponding to the display contents of FIG. 5 (b).

The maximum number of digits on the display screen of FIG.
The maximum number of digits of the 0-digit display buffer 3b in which document data is stored is 30 digits. The ▼ shown above the digit number represents the tab setting position in this document data, and this tab setting position information is stored in the format buffer 3c. The description of FIG. 5 is common to FIGS. 7, 9, 11, 12, and 14 described later.

On the display screen in the normal display mode of FIG. 5A, there are full-width spaces, half-width spaces and tabs in front of "AIUEOKAKI", and a blank portion is displayed from the beginning of the sentence to before "A". . Then, "OKAKI" is pushed out of the screen, and the operator needs to scroll the display screen with the right cursor key of the keyboard 5 or delete the blank part in front of the operator "A".

However, steps S1 to S3 shown in FIGS.
By the simple display processing in step S15, for example, the contents of the display buffer 3b are replaced from those in FIG. 5C to FIG. 5D, and the display contents are changed from FIG. 5A to FIG. 5B. That is, for each target line, spaces or tabs up to the first character or character string in that line are removed, and the character or character string is displayed from the beginning of the sentence in the display area.

FIG. 6 is a flowchart showing a subroutine of the space removing process of FIG. In FIG. 6, step S21: The document data of the digit number indicated by the pointer is read from the document buffer 3a. Step S22: It is determined whether the read document data is a space code. If Yes, the process returns to step S21, and if No, the process proceeds to step S23. Step S23: It is determined whether the read document data has a character code. If Yes, the process proceeds to step S24, and if No, the process returns to step S21. Step S24: Replace all space codes between the characters searched in step S22 with one half-width space code, and output to the display buffer 3b together with the searched character code,
Return to the main routine.

FIG. 7 is an explanatory diagram showing the contents of the display screen and the display buffer corresponding to the space removal processing of FIG. In FIG. 7, FIG. 7A shows the display screen in the normal display mode, and the dotted line portion is the protruding area displayed by scrolling. FIG. 7C shows the contents of the display buffer corresponding to the display contents of FIG. FIG. 7B is a display screen in the simple display mode of the present invention, and a dotted line portion is a protruding area displayed by scrolling.
FIG. 7 (d) shows the contents of the display buffer corresponding to the display contents of FIG. 7 (b).

On the display screen in the normal display mode of FIG. 7 (a), there are full-width spaces and half-width spaces between "ai", "ueo", and "oyster", and they are displayed with an unnecessary interval. Has been done. As a result, the line ends up extending in the direction of the end of the line, and there are many parts that extend off the screen, requiring the operator to perform scrolling or deleting.

However, by the processing of steps S21 to S24 shown in FIG. 6, for example, the contents of the display buffer 3b are replaced from those shown in FIG. 7C to FIG. It changes like 7 (b). That is,
The space following the character or character string and the space up to the next character or character string for each target line are collectively replaced by one half-width space and displayed on the display screen.

FIG. 8 is a flow chart showing a sub-routine of the tab removing process of FIG. In FIG. 8, step S31: The document data of the digit number indicated by the pointer is read from the document buffer 3a. Step S32: It is determined whether the read document data is a tab code. If Yes, the process returns to step S31, and if No, the process proceeds to step S33. Step S33: It is determined whether the read document data is a character code. If Yes, the process proceeds to step S34, and if No, the process returns to step S31. Step S34: All tab codes between the characters searched in step S32 are replaced with one-byte space code, output to the display buffer 3b together with the searched character code, and the process returns to the main routine.

FIG. 9 is an explanatory diagram showing the contents of the display screen and the display buffer corresponding to the tab removal processing of FIG. In FIG. 9, FIG. 9A shows the display screen in the normal display mode, and the dotted line portion is the protruding area displayed by scrolling. FIG. 9C shows the contents of the display buffer corresponding to the display contents of FIG. FIG. 9B shows a display screen in the simple display mode of the present invention, and a dotted line portion is a protruding area displayed by scrolling. FIG.
9D shows the contents of the display buffer corresponding to the display contents of FIG. 9B.

On the display screen in the normal display mode shown in FIG. 9A, there are tabs between "Ai", "Ueo", and "Oyster", and they are displayed with an unnecessary interval. Therefore, the line ends up extending in the line end direction, and there are many portions that extend off the screen, and the operator needs to perform a scroll process, a delete process, and change the tab setting information.

However, by the processing of steps S31 to S34 shown in FIG. 8, for example, the contents of the display buffer 3b are replaced from FIG. 9C to FIG. 9D, and the display contents are changed from FIG. 9A to FIG. It changes like 9 (b). That is,
The tab following the character or character string and the tabs up to the next character or character string for each target line are collectively replaced with one half-width space and displayed on the display screen.

FIG. 10 is a flow chart showing the simple display process (2) of the present invention. In FIG. 10, Step S41: Read one line of display data from the display buffer 3b and format information from the format buffer 3c. Step S42: The mode in the format information is checked to determine whether it is the simple display mode or the normal display mode. In the simple display mode, the process proceeds to step S43, and in the normal display mode, the process proceeds to step S44.

Step S43: In the simple display mode,
Set 1 to the display start digit number. Here, the display start digit number 1 indicates that the display screen is left-justified (left end), and is displayed from left-justified. Step S44: In the normal display mode, it is determined from the format information whether the centering is performed. If Yes, the process proceeds to step S45, and if No, the process proceeds to step S47. Step S45: Calculate the display start digit number. Centering display start digit number = (maximum digit number of document data-character number) / 2 + 1

FIG. 11 is an explanatory diagram showing a display screen for changing the centering display to the left-justified display. FIG. 11 (a)
In the above example, the maximum number of digits of document data = 30 and the number of characters = 14 half-widths (one full-width character is two half-widths), so the calculation results in 9. Step S46: The display start digit number is set to 9, and the centering process is ended. Step S47: In the normal display mode, it is determined from the format information whether it is right-justified. If Yes, the process proceeds to step S48, and if No, the process ends. Step S48: Calculate the display start digit number. Right-justified display start digit number = (maximum digit number of document data-character number) + 1

FIG. 12 is an explanatory diagram showing a display screen for changing the right-justified display to the left-justified display. In the example of FIG. 12A, the maximum number of digits of document data = 30 and the number of characters = 14 half-widths (one full-width character is two half-widths), so the calculation yields 17. Step S49: The display start digit number is set to 17, and the right justification process ends. In the normal display mode, for example, when the centering / right-justified format information is set, the display start column number of the line is calculated and the centering / right-justified display processing is performed. When the mode is set, the centering / right-justified format information is invalidated, the display start digit number is always fixed at 1, and the left-justified display processing is performed.

On the display screen in the normal display mode of FIG. 11 (a), the start position of "a" is located at the center of the display screen so that "aiueokaki" is located in the middle of the half-width 30-digit number of the maximum number of digits of the document data. It becomes the digit and the previous 8 digits are blank. In this example, "ki" is out of the screen, and the operator needs to change the scroll process and the centering process. Further, in the display screen of the normal display mode of FIG. 12A, “Ai” is placed so that “Aiue Okaki” is packed to the right of the maximum 30 digits of the document data.
Is the 17th digit on the display screen, and the previous 16 digits are blank. In this example, "Ueokaki" runs off the screen, and the operator needs to change the scroll process or right-justified process. However, due to the processing of steps S41 to S43 shown in FIG.
1 (a) to FIG. 11 (b) and FIG. 12 (a) to FIG.
Change to (b) respectively.

FIG. 13 is a flow chart showing the simple display process (3) of the present invention. In FIG. 13, step S51: Read one line of display data from the display buffer 3b and format information from the format buffer 3c. Step S52: Display one line from the display start digit number at the display start line coordinates on the display screen. At this time, the display of the portion protruding from the right end is omitted. Here, the display start line coordinates are the vertical direction coordinates of the display screen. Step S53: The mode in the format information is checked to determine whether it is the simple display mode or the normal display mode. In the simple display mode, the process proceeds to step S54, and in the normal display mode, the process proceeds to step S55.

Step S54: In the simple display mode,
Invalidate the line feed code of the line that does not contain the character code (line feed pitch is 0), and correct the line feed pitch of the line that contains the character code to the character height (for example, 16 dots) and add it to the display start line coordinates. Yes (line feed correction processing). Step S55: In the normal display mode, the line feed pitch of the line feed code (for example, 20 dots) is added to the display start line coordinates.

FIG. 14 is an explanatory diagram showing a display screen corresponding to the line feed correction processing of FIG. On the display screen in the normal display mode of FIG. 14A, the first line "Aiue Okaki", 2
The line breaks between the lines "Sashisusesotsutsu", the third line blank, and the fourth line "Naninune no hihifue" are displayed on the screen with quite a gap. Therefore, the number of lines that can be displayed on the display screen is considerably limited, and the operator must scroll the display screen with the down cursor key or change the line feed pitch. However, by performing the processing in step S53 shown in FIG. 13, the line feed code of the blank line that does not include the character code is invalidated, and the line feed pitch of the line that includes the character code is corrected to a pitch equal to the character height. Changes from FIG. 14 (a) to FIG. 14 (b).

According to the configuration of the present invention, by switching to the simple display mode, spaces, tab codes and blank lines included in the document data edited in advance can be removed,
By changing the centering and right-justified processing to left-justified and displaying, more character codes are displayed on a limited display screen, and a character string that extends from the screen is also displayed in the screen. The format of the character string that extends from the screen can be changed so as to match the number of characters on the display screen. Therefore, the load required for scrolling the character string laid out outside the screen is reduced.

When the layout is preferentially displayed, the display mode may be switched to the normal display mode. Further, when the document data switched to the simple display is transmitted to another system via the communication device, it is possible to reduce communication time and communication cost due to unnecessary margin communication. Further, if the document data switched to the simple display is printed, the paper space due to useless blank space can be reduced.

[0046]

According to the present invention, the following effects can be obtained when the document data is displayed on the screen in the simple display mode. (1) For each line, the space or tab up to the first character or character string in that line is removed and the character or character string is displayed from the beginning of the sentence. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation. (2) A space following a character or a character string and a space up to the next character or character string are collectively displayed for each line by being replaced with one single-byte space. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation. Further, the labor for the operator to reduce the number of spaces is saved. (3) A tab following a character or a character string and a tab up to the next character or a character string are collectively displayed for each line by replacing them with one half-width space. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation. In addition, the tab change by the operator is omitted. (4) Centering and right-justified formatting for each line are ignored and displayed left-justified. Therefore, since more documents are displayed on the limited display screen, it is possible to check the documents with less scrolling operation. In addition, the operator does not need to change the setting of the format information. (5) The line feed of a line that does not include a character or character string is ignored, and the line feed pitch of the line feed included in the character or character string is corrected to a pitch equal to the character height. Therefore, since the document having a larger number of lines is displayed on the limited display screen, the scroll operation can be reduced and the document can be confirmed. In addition, the operator does not need to change the setting of the format information.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of the present invention.

FIG. 2 is a block diagram showing an embodiment in which the document processing apparatus of the present invention is applied to a portable information processing terminal.

FIG. 3 is a flowchart showing a main routine of a simplified display process (1) of the present invention.

FIG. 4 is a flowchart showing a subroutine of document data reading processing of FIG.

5 is an explanatory diagram showing the contents of a display screen and a display buffer corresponding to the simple display process (1) of FIG.

FIG. 6 is a flowchart showing a subroutine of space removal processing of FIG.

7 is an explanatory diagram showing contents of a display screen and a display buffer corresponding to the space removal processing of FIG.

FIG. 8 is a flowchart showing a sub-routine of tab removal processing of FIG.

9 is an explanatory diagram showing the contents of a display screen and a display buffer corresponding to the tab removal processing of FIG.

FIG. 10 is a flowchart showing a simple display process (2) of the present invention.

FIG. 11 is an explanatory diagram showing a display screen for changing from centering display to left-justified display.

FIG. 12 is an explanatory diagram showing a display screen for changing from right-justified display to left-justified display.

FIG. 13 is a flowchart showing a simple display process (3) of the present invention.

14 is an explanatory diagram showing a display screen corresponding to the line feed correction process of FIG.

FIG. 15 is an explanatory diagram showing an example of screen processing for displaying a layout larger than the area of the display screen.

[Explanation of symbols]

 1 CPU 2 ROM 3 RAM 3a Document buffer 3b Display buffer 3c Format buffer 3d Pointer 3e Work area 4 Display device 5 Keyboard 6 Communication device 7 Printer 8 External storage device

Claims (5)

[Claims] 1. An input unit for inputting document data including a character code, a space code, a tab code, etc. and a format thereof, a document processing unit for document-processing the input document data line by line according to the format, and document processing. The document data storage means for storing the document data which has been processed, the display means for displaying the document data on the display screen, the normal display for displaying the document data subjected to the document processing as they are or the simple display for simplifying the document processing are displayed. A display switching instructing means for instructing and a simple display instruction from the display switching instructing means, read the document data for each line from the document data storing means, and retrieve the space code and the tab code from the beginning of each line to the character code input position. A searching means, a removing means for removing the space code and tab code searched for each line, and the space and tab code A document processing device, comprising: display control means for displaying the document data from which the code has been removed on the left side of the display screen on the display means. 2. The search means, when receiving a simple display instruction from the display switching instruction means, reads the document data for each line from the document data storage means and searches for a space code following the character code of the document data in each line. The document processing apparatus further includes a replacing unit that replaces the space code to the next character code with one half-width space code, and the display control unit replaces the document data replaced by the replacing unit. The document processing apparatus according to claim 1, wherein the document is displayed on the display means. 3. When the search means receives a simple display instruction from the display switching instruction means, the document data is read from the document data storage means for each line and a tab code following the character code of the document data in each line is searched. The document processing apparatus further includes a replacing unit that replaces the tab code to the next character code with a one-byte space code, and the display control unit replaces the document data replaced by the replacing unit. The document processing apparatus according to claim 1, wherein the document is displayed on the display means. 4. When the search means receives a simple display instruction from the display switching instruction means, the document data is read out from the document data storage means line by line and preprocessed in a format consisting of centering and right justification. The document processing apparatus further includes a function of searching the display start position of the document data, and the document processing apparatus further includes a changing unit that changes the display start position of the document processed document data to the left justification of the display screen. 2. The document processing apparatus according to claim 1, wherein the document data is displayed on the display unit at the display start position changed by the changing unit. 5. The search means reads the document data for each line from the document data storage means when receiving a simple display instruction from the display switching instruction means, and if the line feed pitch and the character code of each line are not included, a line feed code. Further, the document processing device further includes a line feed correction means for invalidating the line feed code of a line that does not include a character code and for correcting a line feed pitch larger than the character height to a pitch equal to the character height. 2. The document processing apparatus according to claim 1, further comprising: the display control unit that causes the display unit to display the document data corrected by the line feed correction unit.