JP3129427B2 - Document processing method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial applications]

The present invention relates to a document processing method and apparatus capable of creating and editing a document by inputting document information such as a word processor.

[Prior art]

In a conventional word processor or the like, when shortening the line length of a document already created, it is necessary to sequentially perform an operation of moving a character string at the end of a line to the beginning of the next line for each line. . Conversely, when the length of each line of the document is to be increased, the operation of moving the character string at the beginning of the next line to the end of the previous line is sequentially performed, so that the line has a desired length. I needed to. If the line contains a line feed symbol at the end of the line, it is assumed that the line is all spaces after the line feed symbol. To shorten the line length as described above, it is necessary to delete the space at the end of the line. , Or to increase the line length,
By adding a space at the end of a line, the length of the line was increased so that it did not affect the next line.

[Problems to be solved by the invention]

FIG. 2 is a diagram showing an example in which a document having 25 columns per line is converted into a document having 30 columns and 20 columns per line according to the conventional example. 2 (A) shows the original document, FIG. 2 (B) shows a case where the document of FIG. 2 (A) is expanded to 30 lines per line,
FIG. 2C shows an example in which one line is reduced to 20 digits. In the case of FIG. 2 (B) converted to 30 digits, the address of this document, "Yamada, director" is divided into two lines. In the case of Fig. 2 (C) converted to 20 digits, the date "January 5, 1990" and the sending company name "XYZ Shoji Yokohama Branch"
Is split into two lines. In general, a character string having a single meaning, such as the date or the company name described above, becomes unsightly if a line is changed in the middle of the character string. Therefore, such a character string is more complete as a document if a line break is performed at the end of a sentence or a single character string. However, in the above conventional example,
Since the delimitation of the character string is not considered at all, if the number of digits in the line is changed as shown in FIGS. 2B and 2C, the line is broken in the middle of the character string and the whole document is unsightly. There is a risk of becoming something. FIG. 3 is a diagram showing an example in which a document including a line feed code at the end of each line is converted from a document having 25 columns per line to a document having 30 columns and 20 columns per line according to the conventional example. is there.
FIG. 3 (B) shows an example of extension to 30 digits, in which a space corresponding to the extension is inserted after the line feed code, and the right side of the date or the sending company name is largely vacant. or,
When converted to the 20 digits shown in FIG. 3 (C), the date and the company name are divided into two lines as in the case of FIG. 2 (C). Generally, as shown in FIG. 2 (A) and FIG. 3 (A),
It is preferable that a character string laid out right-adjusted in advance, such as a date and a sending company name, be similarly right-adjusted after the line length is converted. However, in the above-described conventional example, if the length of the line is increased, the amount of space after the line feed symbol is also changed according to the expanded length, and therefore, as shown in FIG. Even if the document is laid out in consideration of the amount, the arrangement of the document is broken. Also, when the line becomes short as in FIG. 3 (C), the character string is divided by a line feed in the middle of the character string as in the case of FIG. 2 (C). SUMMARY OF THE INVENTION The present invention has been made in view of the above conventional example, and has as its object to provide a document processing method and apparatus capable of converting the line length of document information into a designated line length while utilizing the original document format. And

[Means for Solving the Problems]

In order to achieve the above object, a document processing apparatus of the present invention has the following configuration. Line length designating means for designating a second line length which is a converted line length of the document information created based on the first line length indicating the number of characters per line; A longest space detecting means for determining a longest continuous space length in each line of the line; and a longest continuous space based on a difference amount between the second line length and the first line length specified by the line length specifying means. Conversion means for converting the longest continuous space length by calculating the length change amount. In order to achieve the above object, a document processing method of the present invention includes the following steps. That is, a document processing method by a document processing apparatus that has at least an input unit, a display unit, and a memory and processes document data, wherein the memory is created based on a first line length indicating the number of characters per line. A display step of displaying the document information stored in the display unit on the display unit; and a first step of displaying the number of characters per line of the document information displayed on the display unit in response to an input on the input unit.
A line length designating step of designating the line length of the document information to be changed to a second line length; a longest space detecting step of finding a longest continuous space length in each line of the document information stored in the memory; A conversion step of calculating a change amount of the longest continuous space length based on a difference amount between the second line length and the first line length specified in the step, and converting the longest continuous space length; A display changing step of changing the document information stored in the memory into document information created based on the longest continuous space length converted in the conversion step and displaying the document information on the display unit. And [Operation] With the above configuration, the longest continuous space length in each line of the document information is detected, and the second line length designated as the converted line length and the first line length of the current document information are detected. It operates to convert the longest continuous space length by obtaining the change amount of the longest continuous space length based on the difference amount.

【Example】

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. <Description of Configuration of Word Processor (FIG. 1)> FIG. 1 is a block diagram showing a schematic configuration of the word processor of this embodiment. In FIG. 1, reference numeral 1 denotes a document input unit for inputting document information. 10 is a keyboard (KBD), this keyboard 10
Character codes and control codes input from the
Are interpreted by a program in the ROM 12 executed by the CPU and stored in the RAM 13 as document data. This document data can be displayed on the CRT 14 or output to the printer (PRT) 15 or the like under the control of the CPU 11. The length of one line of the document information that has already been created or the document information that is being created is input from the keyboard 10. Reference numeral 2 denotes a line length conversion unit for converting the line length of the document data input from the document input unit 1. The line length conversion instruction input from the keyboard 10 of the document input unit 1 causes the CPU 11 to change the content.
Send to 21. Thereby, the CPU 21 can execute the control program stored in the ROM 22 and convert the line length of the document data to the designated length. Thus,
The document data changed to the new layout is output to the document output unit 3. In the document output unit 3, the document data (character codes and control codes) from the line length conversion unit 2 is interpreted by the CPU 31 executing the control program in the ROM 32, and is stored in the RAM 33 as final document data. You. This document data is C
It can be displayed on the RT 34 or printed out by the printer 35 or the like. In FIG. 1, each unit is described as including a CPU and a ROM. However, the present invention is not limited to this.
And CPU21 and CPU31, ROM12 and ROM22 and ROM32, RAM13 and RAM23
And RAM33, CRT14 and CRT34, and Printer 15 and Printer 35
May be common to each other, or may be separated as shown in FIG. FIG. 4 shows an example of conversion of document data in the word processor of this embodiment. Assume that document data of 25 digits per line shown in FIG. 4A has been input. In the figure, the destination company name "ABC Co., Ltd." and the address "Manager Yamada" are laid out left-justified in consideration of the amount of space from the left end. In addition, it is considered that the date “January 5, 1990” and the sender name “XYZ Shoji Yokohama Branch” were laid out right-justified in consideration of the amount of space from the right end. Therefore, the amount of space between the destination company name and the date, on the right side of the destination name and on the left side of the sender's name, is determined dependently on the line length. Therefore, when converting the length of each line of the document, if the length of the line can be changed by changing these subordinate space amounts, the line length can be changed while maintaining the layout conscious of the input user. Can be changed to convert the document data. FIG. 4 (B) shows a document example processed in this way.
It is shown in (C). FIG. 4 (B) shows an example in which the line length is extended from 25 digits to 30 digits, and FIG. 4 (C) shows an example in which the line length is reduced from 25 digits to 20 digits. In this manner, the longest space portion in each row is regarded as a subordinate space, thereby minimizing layout collapse when changing the length of the row. Hereinafter, such a document data conversion operation will be described. <Description of Operation (FIG. 5)> FIG. 5 is a flowchart showing a process of converting the length of one line of document data in the word processor of the present embodiment. The control program for executing this process is a line length conversion. Part 2
Is stored in the ROM22. First, in step S1, the length of continuous spaces included in this row is searched, and the length of each continuous space is determined. The longest continuous space length is selected from these, and its position and length are stored. Then step
Go to S2, compare the line length before and after conversion, if the line length after conversion (new line length) is longer than the line length before conversion (old line length) (line length is extended longer Time) proceeds to step S3.
In step S3, a space having a length corresponding to (new line length-old line length) is inserted immediately before the longest space of the line. As a result, the line length is increased by (new line length−old line length), and the conversion processing of this line length is completed. On the other hand, in step S2, if the new line length is shorter than the old line length (when the line length is reduced), the process proceeds to step S4. In step S4, if the length of the longest space of the line is longer than (old line length-new line length), the process proceeds to step S5, and from the length of the longest space, the length of (old line length-new line length) Remove minute space. As a result, the line length is shortened by (old line length−new line length), and the shortened conversion of this line is completed. On the other hand, if the length of the longest space is equal to or less than (old line length−new line length) in step S4, the process proceeds to step S6. In step S6, if the length of the longest space is 2 or more, the process proceeds to step S7, and the length of the longest space is set to one space. Next, the process proceeds to step S8, and the process is recursively executed on this line, thereby deleting the next longest space portion where the space is continuous. On the other hand, in step S6, the length of the longest space is 1
If it is less than the space, the process proceeds to step S9. In step S9, it is not possible to delete any more spaces, so by moving the character string at the end of the line to the beginning of the next line in the same manner as described in the conventional example, the length of the line is reduced. Convert to the specified length. FIG. 6 is a flowchart showing in detail the processing for detecting the longest continuous space shown in step S1 of FIG. First, in step S11, a variable j indicating the current digit is set.
Is initialized to “0” (the beginning of the line). Step S12
Then, a variable s1 indicating the longest space length is initialized to “0”. Next, the process proceeds to step S13, and if the current digit j is smaller than the number J of the designated line, the process proceeds to step S14. In step S14, the length s of the continuous space from the digit indicated by j in the line is determined. In step S15, it is determined whether or not the length s of the continuous space is longer than the longest space s1, and if it is longer, the process proceeds to step S16, and s is newly stored as the longest space S1. Then, in step S17, j indicating the current digit is stored as the position j1 of the longest space. Next, step S18
To the current digit j and the detected continuous space length s
Add (s + 1) to digit j to advance
Return to S13. Further, in step S13, when the current digit j reaches the digit number J of the line, the processing is terminated assuming that the last code of the line has been checked. Thus, the length s1 of the longest continuous space in the row and the longest space position j1 are obtained. FIG. 7 shows j of the i-th row shown in step S14 of FIG.
This is a flowchart showing in detail a process for obtaining the length of a continuous space from the first digit. In this embodiment, for simplicity, it is assumed that the space amount is generated only by the space code. First, in step S21, the length s of the space is initialized to "0". In steps S22 and S23, if the character A (i, j + s) at the i-th row and the (j + s) -th digit is a space code, the process proceeds to step S24, and s is incremented by one. Then, in step S22, if the (j + s) th digit reaches the digit number J of the row, that is, reaches the last digit of the row, or if it is not a space code in step S23, the process is terminated. In this way, the length s of the continuous space in the row is obtained. As described above, by changing the length of the longest continuous space among the spaces on each line according to the specified line length, the dislocation of the character string can be minimized. , Line length can be changed. In the above embodiment, the description has been made such that only the space code is detected and the continuous space length is obtained. However, since such a space is also generated by a control symbol such as a line feed symbol or a tab symbol, for example, when a line feed symbol is present, the space after the line feed symbol to the end of the line is filled with a space code, and a tab symbol is used. Exists, the space after the tab symbol and up to the next tab position is filled with a space code, whereby the length of the longest continuous space can be obtained in the same manner as described above. When a double-width space, a half-width space, or the like exists, the longest space length of the line can be obtained by calculating the space for two characters and the space for half a character. In particular, in the case of a line ending with a line feed symbol, the space amount at the end of the line is not preserved by the conventional method (FIG. 3B).
According to this embodiment, if a continuous space longer than the space amount at the end of the line exists in the line, for example, the fourth
As shown in FIG. 2B, the space at the end of the line is saved, so that, for example, the right alignment is maintained, and the layout of the document is saved. As described above, according to this embodiment, the line length is converted by changing the longest continuous space length in each line according to the designated line length. This allows
Since the movement of character strings to the previous and next lines is kept to a minimum, and meaningful continuous space parts are saved with priority, the line length is maintained without breaking the layout information of the document data before line length conversion. Has the effect that it can be converted.

【The invention's effect】

As described above, according to the present invention, there is an effect that the line length of the document information can be converted to the specified line length while utilizing the original document format.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a word processor according to this embodiment. FIGS. 2 (A) to 2 (C) and 3 (A) to 3 (C) show execution results of a line length conversion according to a conventional example. FIGS. 4 (A) to 4 (C) are diagrams for explaining the execution result of the line length conversion in the word processor of the present embodiment, and FIG. 5 is a document in the word processor of the present embodiment. FIG. 6 is a flow chart showing the processing for detecting the longest space of step S1 in FIG. 5, and FIG. 7 is a flow chart showing the processing for detecting the longest space in step S1 in FIG. 5 is a flowchart illustrating a process of obtaining a space length to be performed. In the figure, 1 ... document input unit, 2 ... line length conversion unit, 3 ... document output unit, 10 ... keyboard (KBD), 11,21,31 ... CP
U, 12, 22, 32 …… ROM, 13,23,33 …… RAM, 14,34 …… CR
T, 15, 35 ... Printer (PRT).

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-134560 (JP, A) JP-A-60-175089 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06F 17/21

Claims (10)

(57) [Claims] 1. Line length designating means for designating a second line length, which is a line length after conversion of the line length of document information created based on a first line length indicating the number of characters per line; A longest space detecting unit for obtaining a longest continuous space length in each line of the document information; and a longest space based on a difference amount between the second line length and the first line length specified by the line length specifying unit. A conversion unit that calculates the amount of change in the continuous space length and converts the longest continuous space length. 2. When the second line length is longer than the first line length, the conversion means adds the change amount to the longest continuous space length detected by the longest space detection means. 2. The document processing apparatus according to claim 1, wherein the longest continuous space length is converted. 3. When the second continuous line length is shorter than the first continuous line length, and when the longest continuous space length is longer than the difference amount, the conversion means includes a first longest space detection means. The document processing apparatus according to claim 1, wherein the longest continuous space length is converted by subtracting the difference amount from the detected best continuous space length. 4. When the second line length is shorter than the first line length, the longest continuous space length is shorter than the difference amount and the longest space length is 2 or more. The conversion unit adjusts the line length by setting the longest continuous space length to 1 and repeating the detection of the longest continuous space length by the longest space detection unit and the conversion of the longest continuous space length by the conversion unit. The document processing apparatus according to claim 1, wherein: 5. In a case where the second line length is shorter than the first line length, and when the longest continuous space length is 1 or less, a number corresponding to the difference amount from the end of the line of the line is used. 2. The document processing apparatus according to claim 1, further comprising moving means for moving a character to a line following the line. 6. A document processing method for a document processing apparatus having at least an input unit, a display unit, and a memory, and processing document data, wherein the document processing method is based on a first line length indicating the number of characters per line. A display step of displaying the document information stored in the memory on the display unit; and a first step of displaying the number of characters per line of the document information displayed on the display unit in response to an input on the input unit. A line length designating step of designating the line length of the document information to be changed to a second line length; a longest space detecting step of finding a longest continuous space length in each line of the document information stored in the memory; A conversion step of calculating a change amount of the longest continuous space length based on a difference amount between the second line length and the first line length specified in the step, and converting the longest continuous space length; Stored in the memory And a display changing step of changing the converted document information into document information created based on the longest continuous space length converted in the conversion step and displaying the document information on the display unit. Method. 7. In the converting step, when the second line length is longer than the first line length, the change amount is added to a longest space length detected in the longest space detecting step to add the change amount. 7. The document processing method according to claim 6, wherein the longest continuous space length is updated. 8. In the conversion step, when the second line length is shorter than the first line length, and when the longest continuous space is longer than the difference amount, the longest space detection step detects the longest continuous space. 7. The document processing method according to claim 6, wherein the longest continuous space length is changed by subtracting the difference amount from the longest continuous space length. 9. When the second line length is shorter than the first line length, the longest continuous space length is shorter than the difference amount, and the longest continuous space length is 2 or more. In the changing step, the longest continuous space length is set to 1, and the detection of the longest continuous space length in the longest space detecting step and the conversion of the longest continuous space length in the converting step are repeated to thereby obtain the document information. 7. The document processing method according to claim 6, wherein the line length is adjusted. 10. When the second line length is shorter than the first line length, and when the longest continuous space length is 1 or less, a number corresponding to the difference amount from the line end of the line is 8. The document processing method according to claim 7, further comprising a moving step of moving a character to a line next to the line.