Print data generation device and print data generation method

A print data generation method for generating print data including a plurality of print-related commands using a template and field data including data of print elements to be inserted into merge fields of the template,

• the template including one or more API call commands for generating the print-related commands, and
• the one or more API call commands being constituted by commands of the smallest unit not including repetitions, the number of which corresponds to the number of print elements, which is variable,
• the print data generation method comprising:
• a first step in which a print API generation unit of a print data generation device specifies, from the template on the basis of the content of both the template and the field data or the content of the template, a range of API call commands for repeatedly executing processing a number of times corresponding to the variable number of print elements, and generates a print data generation API including a plurality of API call commands by replacing the merge fields included in the API call commands, including repeat substitutions within the specified range, with the data of the print elements;
• and
• a second step in which a print data generation unit of the print data generation device executes the print data generation API generated by the print API generation unit in order to generate the print data including print-related commands into which the data of the print elements have been inserted.